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161 Cards in this Set
- Front
- Back
- 3rd side (hint)
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A data communications network that spans a large geographic area such as a state, province, or country
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WAN
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These use the services of carriers such as the Regional Bell Operating Companies (RBOCs), Sprint, MCI, and VPM Internet Services, Inc. to establish the link or connection between sites.
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WAN
WANs |
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Network that connects workstations, peripherals, terminals, and other devices in a single building.
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LAN
LANs |
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A WAN operates at the ______ layer and the ______ layer of the OSI reference model.
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physical
data link |
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______ provide for the exchange of data packets and frames between routers and switches and the LANs they support.
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WANs
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______ offer many services, including internetworking and WAN interface ports.
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Routers
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The device itself
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______ include interface voice-grade services, channel service units/digital service units (CSU/DSUs) that interface T1/E1 services, and Terminal Adapters/Network Termination 1 (TA/NT1s) that interface Integrated Services Digital Network (ISDN) services.
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Modems
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What device is this description referring to?
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CSU stands for ______.
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channel service units
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DSU stands for ______.
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digital service units
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The agency ISO is the __________.
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International Organization for Standardization
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The IETF is the __________.
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Internet Engineering Task Force
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The EIA is the __________.
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Electronic Industries Association
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A user device where the interface connects to the WAN link
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Data Terminal Equipment
DTE |
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Data circuit terminating equipment end at the WAN providers side of the communications facility.
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DCE
Data Circuit Terminating Equipment |
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These connect and allow communication between two networks and determine the best path for data to travel through the connected networks.
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routers
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Just as computers need operating systems to run software applications, routers need the ______ software to run configuration files.
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Internetwork Operating System (IOS)
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_______ files contain the instructions and parameters that control the flow of traffic in and out of the routers.
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IOS configuration files
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The ______ file specifies all the information for the correct setup and use of the selected, or enabled, routing and routed protocols on a router.
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configuration
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Routers use ______ to determine the best path for packets.
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routing protocols
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What is NVRAM?
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nonvolatile random-access memory
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This type of memory stores routing tables
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RAM
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This type of memory holds ARP cache
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RAM
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This type of memory holds fast-switching cache, performs packet buffering as shared RAM and maintains packet-hold queues
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RAM
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This type of memory provides temporary memory for the configuration file of a router while the router is powered on
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RAM
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This type of memory loses content when a router is powered down or restarted
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RAM
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This type of memory provides storage for the startup configuration file
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NVRAM
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This type of memory retains content when a router is powered down or restarted
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NVRAM
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This type of memory allows software to be updated without removing and replacing chips on the processor
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flash
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This type of memory retains content when a router is powered down or restarted and can store multiple versions of IOS software
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flash
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This type of memory holds the IOS image and is a type of electrically erasable programmable read-only memory (EEPROM)
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flash
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This type of memory maintains instructions for power-on self test (POST) diagnostics
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ROM
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This type of memory stores bootstrap program and basic operating system software
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ROM
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This type of memory requires replacing pluggable chips on the motherboard for software upgrades
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ROM
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These connect routers to a network for packet entry and exit and can be on the motherboard or on a separate module
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interfaces
interface devices |
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______ can be used to segment LANs, but they are mainly used as WAN devices.
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Routers
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_____ use WAN connections to communicate with each other.
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Routers
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(What devices?)
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______ are the backbone devices of large intranets and of the Internet.
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Routers
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Routers operate at Layer ______ of the OSI model, making decisions based on network addresses.
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3
network layer |
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The two main functions of a ______ are to select the best path for packets and to route packets to the proper interface.
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router
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An administrator can configure ______ routes to maintain routing tables
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static
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Most routing tables are maintained dynamically through the use of a ______ that exchanges network topology information with other routers.
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routing protocol
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True or False: A correctly configured internetwork provides consistent end-to-end addressing.
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true
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The standards and protocols or primary functions of a WAN operate at the ______ layer and at the ______ layer.
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physical
data link (layers 1 and 2) |
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True or False: The Layer 1 and Layer 2 WAN standards and protocols are the same as the Layer 1 and Layer 2 LAN standards and protocols.
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false
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Generally, the ______ is the service provider and the DTE is the attached device.
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DCE
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The main function of a router is to transmit data using Layer ______ addresses.
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3
(network layer) |
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True or False: The main role of a router in a WAN is not to route.
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true
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True or false: The main role of a router in a WAN is to provide connections between the various WAN physical and data-link standards.
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true
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True or False: The main role of a router in a WAN is to route.
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false
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EIA/TIA-232 is a ______ layer standard.
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physical
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xDSL is a ______ layer standard.
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physical
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SONET (OC-3, OC-12, OC-48, OC-192) is a ______ layer standard.
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physical
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EIA-530 is a ______ layer standard.
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physical
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G.703 is a ______ layer standard.
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physical
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V.35 is a ______ layer standard.
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physical
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ISDN is a ______ layer standard.
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physical
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High-level data link control (HDLC) is a ______ layer standard.
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data link
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Frame Relay is a ______ layer standard.
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data link
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Point-to-Point Protocol (PPP) is a ______ layer standard.
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data link
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Synchronous Data Link Control (SDLC) is a ______ layer standard.
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data link
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Serial Line Internet Protocol (SLIP) is a ______ layer standard.
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data link
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X.25 is a ______ layer standard.
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data link
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ATM is a ______ layer standard.
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data link
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LAPB is a ______ layer standard.
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data link
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LAPF is a ______ layer standard.
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data link
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The _____ of a router executes instructions in the operating system.
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Central Processing Unit (CPU)
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True or false: Large routers may have multiple CPUs.
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true
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True or false: A router can have but one CPU.
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false
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In most routers the ______ provides run time space for executable Cisco IOS software and its subsystems.
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RAM
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(type of memory)
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______ is usually logically divided into main processor memory and shared input/output (I/O) memory.
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RAM
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(type of memory)
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Shared I/O memory is shared among ______ for temporary storage of packets.
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interfaces
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Shared I/O memory is shared among interfaces for temporary storage of ______.
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packets
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RAM is generally dynamic random-access memory (DRAM) and can be upgraded with the addition of ______.
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dual in-line memory modules (DIMMs)
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RAM is generally ______ random-access memory (DRAM) and can be upgraded with the addition of dual in-line memory modules (DIMMs).
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dynamic
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RAM is generally dynamic random-access memory (DRAM) and can be upgraded with the addition of ______(DIMMs).
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dual in-line memory modules
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In most routers an executable copy of the ______ is transferred to RAM during the boot process.
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IOS
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A flash single in-line memory module is known commonly as a ______.
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SIMM
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(acronym)
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This type of memory is used to store the startup configuration.
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NVRAM
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The ______ is used to communicate between the CPU and the interfaces or expansion slots.
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system bus
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The system ______ is used to communicate between the CPU and the interfaces or expansion slots.
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bus
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ROM is used to permanently store the startup diagnostic code, which is called the ________.
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ROM monitor
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Some routers also have a scaled down version of the ______ on ROM that can be used as an alternative boot source.
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IOS
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The main tasks for ______ are hardware diagnostics during router bootup and loading the Cisco IOS software from flash to RAM.
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ROM
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The main tasks for ROM are ______ diagnostics during router bootup and loading the Cisco IOS software from flash to RAM.
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hardware
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The main tasks for ROM are hardware diagnostics during router bootup and loading the Cisco IOS software from ______ to RAM.
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flash
flash memory |
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The main tasks for ROM are hardware diagnostics during router bootup and loading the Cisco IOS software from flash to ______.
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RAM
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The ______ are the router connections to the outside.
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interfaces
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The three types of router interfaces are _____, WANs, and console or auxiliary (AUX).
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LANs
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The three types of router interfaces are LANs, WANs, and ______ or auxiliary (AUX).
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console
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The three types of router interfaces are LANs, WANs, and console or ______.
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auxiliary (AUX)
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The three types of ______ interfaces are LANs, WANs, and console or auxiliary (AUX).
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router
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The LAN interfaces have controller ______ that provide the logic for connecting the system to the media and may be a fixed configuration or modular.
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chips
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The LAN ______ have controller chips that provide the logic for connecting the system to the media and may be a fixed configuration or modular.
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interfaces
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The WAN interfaces include ______, ISDN, and integrated CSUs.
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serial
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The WAN interfaces include serial, ISDN, and integrated ______.
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CSUs
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The console and AUX ports are ______ ports that are used primarily for the initial configuration of a router.
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serial
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The ______ and AUX ports are serial ports that are used primarily for the initial configuration of a router.
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console
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The console and AUX ports are serial ports that are used primarily for the initial ______ of a router.
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configuration
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The console and ______ ports are serial ports that are used primarily for the initial configuration of a router.
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AUX
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True or False: A router's power supply is always external.
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false
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The three basic types of connections on a router, are LAN interfaces, WAN interfaces, and ______.
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management ports
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The three basic types of connections on a router, are LAN interfaces, ______ , and management ports
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WAN interfaces
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LAN interfaces allow routers to connect to the LAN media which is usually some form of ______ .
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Ethernet
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The LAN and WAN connections provide ______ connections through which packets are forwarded.
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network
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The LAN and WAN connections provide network connections through which ______ are forwarded.
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packets
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The ______ port provides a text-based connection for the configuration and troubleshooting of the router.
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management
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The ___________ provides a text-based connection for the configuration and troubleshooting of the router.
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management port
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The management port provides a ______ connection for the configuration and troubleshooting of the router.
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text-based
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The common management interfaces are the ______ and auxiliary ports.
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console
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The common management interfaces are the console and ______ ports.
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auxiliary
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True or False: All routers have an auxilliary port.
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false
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True or false: Asynchronous serial ports are not designed as networking ports.
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false
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True or false: Console and auxiliary (AUX) ports are asynchronous serial ports
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true
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True or false: Console and auxiliary (AUX) ports are synchronous serial ports
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false
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Console and auxiliary (AUX) ports are asynchronous ______ ports
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serial
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When the router is first put into service, there are no ______ parameters configured. Therefore the router cannot communicate with any network.
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networking
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After the initial ______ is entered into the router through the console or auxiliary port, the router can be connected to the network to troubleshoot or monitor it.
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configuration
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After the initial configuration is entered into the router through the ______ or ______ port, the router can be connected to the network to troubleshoot or monitor it.
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console
auxiliary |
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The console port displays router startup, ______, and error messages by default.
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debugging
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The console port displays ______ , debugging, and error messages by default.
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router startup
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The console port displays router startup, debugging, and ______ by default.
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error messages
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A ______ cable and an RJ-45 to DB-9 adapter are used to connect a PC to the console port.
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rollover
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A rollover cable and an ______ to DB-9 adapter are used to connect a PC to the console port.
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RJ-45
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A rollover cable and an RJ-45 to ______ adapter are used to connect a PC to the console port.
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DB-9
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A rollover cable and an RJ-45 to DB-9 adapter are used to connect a ______ to the console port.
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PC
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A rollover cable and an RJ-45 to DB-9 adapter are used to connect a PC to the _________.
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console port
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To connect to a console port, the PC or terminal must support ______ terminal emulation.
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VT100
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To connect to a ______ port, the PC or terminal must support VT100 terminal emulation.
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console
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To connect to a console port, the PC or terminal must support VT100 ______ emulation.
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terminal
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The following is the first step to connect a PC to a router:
Configure terminal emulation software on the PC for the following: The appropriate COM port 9600 baud ______ data bits No parity 1 stop bit No flow control |
8
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The following is the first step to connect a PC to a router:
Configure terminal emulation software on the PC for the following: The appropriate COM port 9600 baud 8 data bits No parity ______ stop bits No flow control |
1
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The following is the first step to connect a PC to a router:
Configure terminal emulation software on the PC for the following: The appropriate COM port ______ baud 8 data bits No parity 1 stop bit No flow control |
9600
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The following are steps to connect a PC to a router:
Configure terminal emulation software Connect the RJ-45 connector of the rollover cable to the router console port. Connect the other end of the rollover cable to the RJ-45 to DB-9 adapter. Attach the female ______ adapter to a PC. |
DB-9
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The following are steps to connect a PC to a router:
Configure terminal emulation software Connect the RJ-45 connector of the rollover cable to the router console port. Connect the other end of the rollover cable to the ______ to DB-9 adapter. Attach the female DB-9 adapter to a PC. |
RJ-45
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The following are steps to connect a PC to a router:
Configure terminal emulation software Connect the RJ-45 connector of the ______ cable to the router console port. Connect the other end of the rollover cable to the RJ-45 to DB-9 adapter. Attach the female DB-9 adapter to a PC. |
rollover
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This page will teach students how to connect LAN interfaces.
A router is usually connected to a LAN through an ______ or Fast Ethernet interface. |
Ethernet
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The router is a ______ that communicates with the LAN through a hub or a switch.
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host
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The router is a host that communicates with the LAN through a ______ or a switch.
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hub
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The router is a host that communicates with the LAN through a hub or a ______.
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switch
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The router is a host that communicates with the LAN through a hub or a switch using a ______ cable.
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straight-through
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The router is a host that communicates with the LAN through a hub or a switch using a straight-through cable and generally requires ______ , or better, unshielded twisted-pair (UTP) cable
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Category 5
Cat5 |
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If the Ethernet connection of the router is connected directly to the computer or to another router a ______ cable is required.
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crossover
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Ethernet, ______, console, AUX, integrated CSU/DSU, and Token Ring interfaces use the same eight-pin connector, which is RJ-45
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ISDN BRI
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Ethernet, ISDN BRI, console, ______, integrated CSU/DSU, and Token Ring interfaces use the same eight-pin connector, which is RJ-45
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AUX
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Ethernet, ISDN BRI, console, AUX, integrated CSU/DSU, and Token Ring interfaces use the same ______ pin connector, which is RJ-45
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eight
8 |
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In Cisco's color code scheme to help distinguish the connections that are used on a router, yellow would indicate _________.
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ethernet
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In Cisco's color code scheme to help distinguish the connections that are used on a router, light green would indicate _________.
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T1 or E1 network
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In Cisco's color code scheme to help distinguish the connections that are used on a router, black would indicate _________.
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modem
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In Cisco's color code scheme to help distinguish the connections that are used on a router, orange would indicate _________.
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ISDN network
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In Cisco's color code scheme to help distinguish the connections that are used on a router, light blue would indicate _________.
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computer COM port
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In Cisco's color code scheme to help distinguish the connections that are used on a router, yellow would indicate an ethernet hub or switch and would use a _______ cable
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straight through
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In Cisco's color code scheme to help distinguish the connections that are used on a router, light blue would indicate a computer COM port and would use a _______ cable.
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rollover
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In Cisco's color code scheme to help distinguish the connections that are used on a router, black would indicate a modem and would use a _______ cable.
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rollover
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In Cisco's color code scheme to help distinguish the connections that are used on a router, orange would indicate an ISDN network and would use a _______ cable.
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RJ-49
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In Cisco's color code scheme to help distinguish the connections that are used on a router, purple would indicate a token ring device and would use a _______ cable.
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RJ-45 token ring
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For each type of WAN service, the customer premises equipment (CPE), which is often a router, is the ______.
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DTE
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For each type of WAN service, the customer premises equipment (CPE), which is often a ______, is the DTE.
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router
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For each type of WAN service, the customer premises equipment (CPE), which is often a router, is the DTE. This is connected to the service provider through a ______ device, which is commonly a modem or CSU/DSU.
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DCE
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For each type of WAN service, the customer premises equipment (CPE), which is often a router, is the DTE. This is connected to the service provider through a DCE device, which is commonly a ______ or CSU/DSU.
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modem
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Probably the most commonly used router interfaces for WAN services are ______ interfaces.
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serial
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The key difference between a DTE device and DCE device is that the ______ device provides the clock signal for the communications on the bus.
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DCE
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