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161 Cards in this Set

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A data communications network that spans a large geographic area such as a state, province, or country
WAN
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.
WAN
WANs
Network that connects workstations, peripherals, terminals, and other devices in a single building.
LAN
LANs
A WAN operates at the ______ layer and the ______ layer of the OSI reference model.
physical
data link
______ provide for the exchange of data packets and frames between routers and switches and the LANs they support.
WANs
______ offer many services, including internetworking and WAN interface ports.
Routers
The device itself
______ 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.
Modems
What device is this description referring to?
CSU stands for ______.
channel service units
DSU stands for ______.
digital service units
The agency ISO is the __________.
International Organization for Standardization
The IETF is the __________.
Internet Engineering Task Force
The EIA is the __________.
Electronic Industries Association
A user device where the interface connects to the WAN link
Data Terminal Equipment
DTE
Data circuit terminating equipment end at the WAN providers side of the communications facility.
DCE

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