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network ccent test

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