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121 Cards in this Set
- Front
- Back
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What command is used to delete the startup-config file on a Cisco router?
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ERASE START
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What command delivers information about directly connected devices?
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SHO INTERFACE
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What command displays information about interface traffic, including the number of CDP packets sent and received and the errors with CDP?
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SHO CDP NEIGHBOR
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How does a Cisco device that receives a command it doesn’t understand try to resolve it?
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THROUGH DNS
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What command would you use if you’ve changed your router’s running-config file and want to restore the configuration to the version in the startup-config file?
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COPY RUN START
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What are the two types of access lists?
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STANDARD AND EXTENDED
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It provides a way for you to preserve bandwidth by configuring it to reduce the amount of broadcasts, multicasts, and unicast packets. It only sends broadcasts to trunk links that truly must have the information
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VLANS
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What command allows you to see the current value of the configuration register?
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SHO VER
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By copying running-config to NVRAM as a backup, as shown in the following output, you’re assured that your running-config will always be reloaded if the router gets rebooted. What is this command?
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WR MEM
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SHO CONTROLLERS COMMAND WILL?
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DISPLAY INFO ABOUT THE PHYSICAL INTERFACE
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DEFINE SPLIT HORIZON
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INFORMATION ABOUT A ROUTE SHOULD NOT BE SENT BACK IN THE DIRECTION FROM WHICH THE ORGINAL UPDATE CAME.
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WHICH LAYER OF THE OSI MODEL DOES ERROR DETECTION AND CORRECTION?
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TRANSPORT
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WHAT COMMAND ENCRYPYS YOUR PASSWORDS?
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SERVICE PASSWORD-ENCRYPTION
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WHAT COMMAND ALLOWS YOU TO SET TIMING OF YOUR SERIAL INTERFACES?
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CLOCK RATE (PLUS NUMBER)
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WHAT LAYER OF THE OSI DOES POP3, FTP AND RAS RESIDE?
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APPLICATION
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WHICH LAYER HANDLES FRAMES?
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DATALINK
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WHICH LAYER IDENTIFIES THE COMMON GRAMMER TO BE USED BETWEEN TWO APLICATIONS?
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PRESENTATION
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11000101 IS WHAT IN DECIMAL?
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197
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AT WHICH LAYER DOES CSMA/CD HAPPEN?
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DATA LINK
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WHAT ARE THE THREE LAYERS OF THE CISCO HIERARCHICAL MODEL?
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CORE,DISTRIBUTION, AND ACCESS LAYER.
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WHICH LAYER OF THE OSI IS RESPONSIBLE FOR CONVERTING DATA PACKETS FROM THE DATA LINK LAYER INTO ELECTRICAL SIGNALS?
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PHYSCIAL LAYER
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WHAT ARE THE 4 ROUTER FUNTIONS?
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PACKET SWITCHING, PACKET FILTERING, INTERNETWORK COMUNICATIONS, AND PATH SELECTION.
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NAME 3 TYPES OF FLOW CONTROL?
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BUFFERING WINDOWING CONGESTION AVOIDANCE
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WHAT ARE THE FOUR LAYERS OF THE DOD MODEL
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PROCESS/APPLICATION LAYER, HOST TO HOST LAYER, INTERNET LAYER AND NETWORK ACCESS LAYER.
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WHICH PORT USES BOTH TCP AND UDP?
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53 DNS
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WHAT IS THE NUMBERING SCHEME FOR HEXIDECIMAL?
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1-F
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WHAT ARE THE RESERVED (PRIVATE)IP RANGES FOR A,B AND C NETWORKS?
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10.0.0.0 -10.255.255.255 A
172.16.0.0 -172.31.255.255 B 192.168.0.0 - 192.168.255.255 C |
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WHAT DOES THE COMAND ERASE START UP DO?
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ERASES NVRAM
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WHAT COMMAND IS USED TO CREATE STATIC ROUTES?
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IP ROUTE
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WHAT IS THE ADMINISTRATIVE DISTANCE OF EIGRP?
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90
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WHATS THE AD OF RIP?
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120
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WHAT IS THE AD OF OSPF?
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110
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WHAT IS THE AD OF EXTERNAL EIGRP?
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170
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WHATS THE AD OF A STATIC ROUTE?
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1
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DEFINE A HYBRID PROTOCOL?
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IT USES VARIABLES OF BOTH DISTANCE VECTOR AND LINK STATE.(EIGRP)
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WHAT ARE THE TIMERS FOR RIP?
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ROUTE UPDATE TIMER (TYPICALLY 30 SECONDS)
INVALID TIMER 180 SECONDS HOLDDOWN DEFAULF 180 |
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WHAT IS THE MAX HOP COUNT FOR RIP?
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15
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IS RIP 1 CLASSFUL OR CLASSLESS?
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CLASSFUL
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DOES RIP VER 2 SUPPORT VLSM?
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YES...VERSION 1 DOES NOT!
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HOW OFTEN DOES IGRP GIVE A FULL ROUTING TABLE?
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EVERY 90 SECONDS
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HOW OFTEN DOES RIP GIVE A FULL ROUTING TABLE?
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EVERY 30 SECONDS
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WHAT ARE THE TIMER DEFAULTS FOR IGRP?
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UPDATE-EVERY 90 SECONDS
INVALID- 3 TIMES THE UPDATE PERIOD. HOLD DOWN 3X UPDATE PLUS 10 SECONDS. |
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DEBUG IP IGRP EVENTS
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SHOW A SUMMARY OF THE IGRP ROUTING INFO THAT IS RUNNING ON THE NETWORK.
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PASSIVE INTERFACE
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STOPS UPDATES FROM BEING SENT OUT AN INTERFACE BUT ROUTE UPDATES ARE STILL RECIEVED.
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WHATS THE MAX HOP COUNT FOR EIGRP AND IGRP?
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100 BUT CAN BE SET TO 255
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OSPF IS A ---------- PROTOCOL
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LINK STATE
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WHAT ARE THE 3 FUNCTIONS THAT HAPPEN AT LAYER 2
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ADDRESS LEARNING, FOWARD/FILTER DECISIONS AND LOOP AVOIDANCE.
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WHAT ARE THE 5 SPANNING TREE PORT STATES?
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BLOCKING, LISTENING, LEARNING,
FOWARDING, AND DISABLED |
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WHAT ARE THE 3 SWITCHING MODES?
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CUT THROUGH, FRAGMENT FREE, AND STORE AND FOWARD.
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WHAT ARE THE 2 TYPES OF VLANS?
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STATIC AND DYNAMIC
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30. -------- advertises a route as 16 (or infinite) if the route is inconsistently updating. Poison Reverse sets the metric for the downlink to infinite.
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ROUTE POISONING
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---- uses bandwidth and delay of the line by default as a metric for determining the best route to an internetwork.
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IGRP
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The ----- -- --- command sends routing updates as they are sent and received on the router to the console session.
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DEBUG IP RIP
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HOW DO YOU COPY YOUR RUNNING CONFIG TO A TFPT SERVER?
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COPY RUN TFTP
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802.3
802.2 |
DATAL LINK LAYER SUBLAYERS 802.3 IS (MAC) 802.2 IS THE (LLC)
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WHAT ARE THE 4 ETHERNET FRAMES?
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802.3
802.2 SNAP ETHERNET II |
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802.3 USES A ------- BUT ETHERNET_II USES A TYPE FIELD TO IDETIFY THE NETWORK LAYER PROTOCOL
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LENGTH
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10BASE2 IS UP TO --- IN LENGTH
KNOWN AS THINNET AND CAN SUPPORT UP TO 30 USERS PER SEGMENT |
185 METERS
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10BASE5 IS UP TO --- IN LENGTH AND IS KNOWN AS THICKNET UPTO 2550 METERS WITH REPEATERS.USERS FOR ALL SEGMENTS
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500
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100BASETX
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(IEEE 802.3u) EIA/TIA category 5, 6, or 7 UTP two-pair wiring. One user per
segment; up to 100 meters long. It uses an RJ-45 connector with a physical star topology and a logical bus. |
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100BaseFX
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(IEEE 802.3u) Uses fiber cabling 62.5/125-micron multimode fiber. Point-to-
point topology; up to 412 meters long. It uses an ST or SC connector, which are media-interface connectors. |
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The straight-through cable is used to connect?
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Host to switch or hub
Router to switch or hub |
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The crossover cable can be used to connect
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? Switch to switch
Hub to hub Host to host Hub to switch Router direct to hos |
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CHECKSUM
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The cyclic redundancy check (CRC), because TCP doesn’t trust the lower layers
and checks everything. The CRC checks the header and data fields. |
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KEY FEATURES OF TCP AND UDP ARE?
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TCP UDP
Sequenced Unsequenced Reliable Unreliable Connection Connectionless Virtual circuit Low overhead Acknowledgments No acknowledgment Windowing flow control No windowing or flow control |
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WHAT ARE CONSIDERED TO BE WELL KNOWN PORTS?
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1024 AND BELOW
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ARP
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IP TO MAC
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RARP
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MAC TO IP
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BOOTP
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SAME AS DHCP
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WHAT IS 1100 IN HEX?
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OX12
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We use default routing to?
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send packets with a remote destination network not in the routing
table to the next-hop router. |
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WHAT ARE THE 2 TYPES OF ROUTING PROTOCOLS USED IN THE INTERNETWORK?
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interior gateway protocols
(IGPs) and exterior gateway protocols (EGPs). |
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CONNECTED INTERFACES HAVE A AD OF?
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0
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Inter-Switch Link (ISL) Protocol
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is a way of explicitly tagging VLAN information onto an Ethernet frame.
This tagging information allows VLANs to be multiplexed over a trunk link through an external encapsulation method (ISL), |
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WHAT IS 1100 IN HEX?
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OX12
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We use default routing to?
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send packets with a remote destination network not in the routing
table to the next-hop router. |
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WHAT ARE THE 2 TYPES OF ROUTING PROTOCOLS USED IN THE INTERNETWORK?
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interior gateway protocols
(IGPs) and exterior gateway protocols (EGPs). |
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CONNECTED INTERFACES HAVE A AD OF?
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0
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Inter-Switch Link (ISL) Protocol
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is a way of explicitly tagging VLAN information onto an Ethernet frame.
This tagging information allows VLANs to be multiplexed over a trunk link through an external encapsulation method (ISL), |
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VLAN Trunking Protocol (VTP)
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VLAN Trunking
Protocol (VTP) are to manage all configured VLANs across a switched internetwork and to MAINTAIN CONSISTANCY THROUGHOUT THAT NETWORK. |
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WHAT ARE THE 3 VTP MODES
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SERVER CLIENT AND TRANSPARENT.
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VTP Pruning
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This is called pruning. VTP pruning only
sends broadcasts to trunk links that truly must have the information. |
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WHAT COMMAND WILL SHOW ME MY CURRENT CONFIGURATION REGISTER?
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SH VERSION
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show cdp
neighbor detail |
This command can be run on both
routers and switches, and it displays detailed information about each device connected to the device you’re running the command on. |
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To see the connections made from your router to a remote device, use the ---- --------
command. |
SHOW SESSIONS
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You can list all active consoles and VTY ports in use on your router with the ---- ----- COMMAND
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SHOW USERS
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TRACE ROUTE
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shows the path a packet takes to
get to a remote device. |
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The ------ setting is
the default on all Cisco routers |
0x2102
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WHAT COMMAND IS USED TO RESTORE OR UPGRADE IOS IMAGES
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copy tftp flash
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WHAT COMMAND ALLOWS YOU TO GET OUT OF A TELNET SESSION?
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EXIT
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STANDARD ACCESS LIST NUMBERS ARE?
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1-99
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EXTENDED ACESS LIST NUMBERS ARE?
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100-199
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Wildcards are used with access lists to specify
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A individual host, a network, or a certain range of a
network or networks. |
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what are the 3 diffrent types of routing?
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static routing
dynamic routing default routing |
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A ------- protocol is used by routers to dynamically find all the networks in the internetwork and to ensure that all routers have the same routing table.
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routing..examples rip,ospf,igrp,eigrp
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THE CISCO IOS IS STORED WHERE?
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FLASH MEMORY
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THE START UP CONFIG IS STORED IN?
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NVRAM
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WHAT ARE THE STEPS IN ORDER FOR THE BOOT STARP PROCESS?
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POST TEST RUNS LOOKS FOR THE IOS IN FLASH MEMORY.ONCE FOUND IT LOOKS FOR START UP IN NVRAM. IF KNOW CONFIG IS FOUND ROUTER WILL GO INTO SETUP MODE.
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HOW DO YOU EXIT SETUP MODE?
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CTRL C
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WHEN WOULD YOU USE DEFAULT ROUTING?
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IN A STUB NETWORK
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WHAT IS THE DEFAULT SIZE OF YOUR HISTORY
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10
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EIGRP IS A ------- PROTOCOL
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HYBRID
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WHATS THE TERM THAT IS USED WHEN ALL ROUTERS HAVE THE SAME INFO ON THERE ROUTING TABLE?
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CONVERGENCE
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SETTING A MAXIMUM HOP COUNT PREVENTS?
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ROUTING LOOPS
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-------- ------ prevent routes from changing too rapidly by allowing time for either the
downed route to come back up or the network to stabilize somewhat before changing to the next best route. |
HOLDDOWN TIMERS
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WHAT ARE THE DEFAULT TIMERS FOR RIP?
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ROUTE UPDATE EVERY 30 SECONDS
ROUTE INVALID 180 SECONDS HOLD DOWN 180 SECONDS ROUTE FLUSH 240 |
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WHAT METRIC DOES IGRP USE?
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DELAY OF THE LINE
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HOW OFTEN DOES IGRP SEND OUT A FULL ROUTING TABLE?
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EVERY 90 SECONDS
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EIGRP HAS A MAX HOP COUNT OF ?
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255 WITH A DEFAULT OF 100
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EIGRP SUPPORTS?
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VLSAM/CIDR DUAL AND RTP AND DISCONTIGIOUS NETWORKS
(DUAL IS THE METRIC) |
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EIGRP AND OSPF SEND OUT HELO PACKETS EVERY?
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10 SECONDS
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By default, EIGRP (and IGRP) can provide unequal cost load balancing of up to - links.
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4 LINKS
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you can have EIGRP actually load balance across up to six links by using the follow-
ing command: |
maximum-paths
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--- CAN ONLY LOAD BALENCE ON EQUAL HOPS
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RIP
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---- HAS TO HAVE EQUAL BALANCE METRICS FOR LOAD BALANCING.
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IGRP
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PASSIVE INTERFACE
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THE INTERFACE ONLY RECIEVES UPDATE BUT DOESNT FOWARD THEM
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OSPF USES
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DELAY OF THE LINE
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STP MODES ARE?
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LISTEN,LEARNING FOWARDING,BLOCKING AND DISABLED.
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The ---- bridge is the bridge with the best bridge ID.
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ROOT
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BPDU
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All the switches exchange information to use in the selection of the root switch
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------ link is unaware of a VLAN membership—the device just assumes it’s part of a broadcast domain,
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ACCESS
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