network ccent test
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Commands to configure RIP routing? | router rip
network 10.0.0.0
(NOT 10.4.0.0, as classful)
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| Command to show routing table? | show ip route
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| Command to show realtime RIP routing updates? | debug ip rip
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| Command to create a static route for network 172.17.0.0 to 172.16.0.1? | ip route destNetwork-IP dest-subnetMask nextHop-IP
(ip route 172.17.0.0 255.255.0.0 172.16.0.1)
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| Command to set default route to network 206.143.5.0, in 3 ways? | ip route 0.0.0.0 0.0.0.0 206.143.5.2
ip route 0.0.0.0 0.0.0.0. s1
ip default-network 206.143.5.0
ip classless (at the end of each)
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| Command always required to set default route? | ip classless
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| Commands to stop sending routing info from s0/0? | router rip
network 192.168.0.0
passive-interface serial 0/0
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| What prevents routing loops with flapping interfaces? | Holddown timers
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| What prevents routing loops by not sending info out from the same interface the info came from? | Split horizon
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| What prevents routing loops by sending max hop count 16 when a link fails? | Route poisoning
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| What is AD of connected interface? | 0
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| What is AD of static route? | 1
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| What is AD of EIGRP? | 90
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| What is AD of IGRP? | 100
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| What is AD of OSPF? | 110
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| What is AD for IS-IS? | 115
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| What is AD for RIP? | 120
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| What is AD for External EIGRP? | 170
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| What is AD for unknown? | 255
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| Commands to configure RIPv2? | router rip
network 192.168.40.0
version 2
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| What is max hop counts for RIP/IGRP? | RIP - 15
IGRP - 255
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| How often does RIPv1/RIPv2/IGRP send full routing table update? | RIPv1/v2 - every 30 seconds
IGRP - every 90 seconds
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| Command to show routing protocols configured on router? | show ip protocols
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| Command to cancel propagating a network 192.168.10.0? | no network 192.168.10.0
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| Command to disable RIP? | no router rip
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| What is update/reply from a router to the router from which it received Route Poisoning, saying it has received Route Poisoning? | Poison reverse
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| What are two classes of routing protocols regarding AS? | IGP (Interior Gateway Protocols)
&
EGP (Exterior Gateway Protocols)
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| Is BGP a IGP or EGP? | EGP
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| What are three classes of routing protocols? | Distance vector
Link-state
Advanced distance vector (balanced hybrid)
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| Commands to configure DHCP server - address pool called myPool with network 10.1.8.0/24, default-gateway 10.1.8.1, DNS server 10.1.8.100 & 10.1.8.101, domain name myDomain.com? | config t
service dhcp
ip dhcp pool myPool
network 10.1.8.0 255.255.255.0
default-router 10.1.8.1
dns-server 10.1.8.100 10.1.8.101
domain-name myDomain.com
exit
ip dhcp excluded-address 10.1.8.1
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| What's in flash memory? | IOS (.BIN file)
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| What's in NVRAM? | Startup-config
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| What's in (D)RAM? | Running-config.
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| What's in ROM? | POST, Bootstrap & Mini-IOS
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| What does router do if configuration register is 0x2102? | Boot from NVRAM (derault).
(Startup-config)
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| What does router do if configuration register is 0x2101? | Boot from ROM.
(Mini-IOS)
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| What does router do if configuration register is 0x2142? | Ignore NVRAM.
(Password recovery)
(Rom Monitor - ROMMON mode)
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| What command to see neighbor router's IP address? | show cdp neighbors detail
(NOT neighbor. NOT details)
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| What command to see neighbor router's hostname, local int, platform and remote port? | show cdp neighbors
(NOT neighbor)
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| What command to terminate a telnet session? | exit
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| What key combination to get back to console whilst keeping telnet session? | Ctrl + Shift + 6, release it, then X
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| What command to check telnet sessions from your router to remote device? | show sessions
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| What command to build static host table? | ip host hostName IPaddress
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| Command to check host table? | show hosts
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| Old command to do the same as copy start run? | config mem
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| What's key combination to interrupt router boot sequence? | Ctrl + Break
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| Command to show interface traffic including CDP packets sent/received and CDP errors? | show cdp traffic
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| Command to show CDP status on router interfaces or switch ports? | show cdp interface
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| Command to check active consoles and VTY ports in use on your router? | show users
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| Command to change Configuration Register to 0x2101? | config-register 0x2101
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| Command to turn off CDP on s0/0/0? | config t
int s0/0/0
no cdp enable
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| Command to turn off CDP on router? | no cdp run
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| In ROMMON mode of ISR/2600, command to change Configuration Register to 0x2142? | confreg 0x2142
reset
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| In ROMMON mode of 2500, command to change Configuration Register to 0x2142? | o/r 0x2142
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| Command to show current IOS name, size and size of flash memory? | show flash
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| Which is correct on router, tracert or traceroute? | traceroute
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| Command to see console messages (e.g. debug) through telnet? | terminal monitor
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| Commands to configure DNS server 192.168.10.1 and default domain name mydomain.com? | config t
ip domain-lookup
ip name-server 192.168.10.1
ip domain-name mydomain.com
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| Command to turn off domain lookup? | no ip domain-lookup
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| Every ( ) seconds CDP sends update as default? | 60
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| Which layer does CDP work? | Data Link (as it does not require IP address)
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| Is CDP on as default on Cisco routers? | Yes
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| Command to display ARP cache (IP-MAC table)? | show ip arp
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