CCNA系列認證CCNA(640-802)章節(jié)練習(2019.10.14)

A. Router C will use ICMP to inform Host 1 that Host 2 cannot be reached.
B. Router C will use ICMP to inform Router B that Host 2 cannot be reached.
C. Router C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reached.
D. Router C will send a Destination Unreachable message type.
E. Router C will send a Router Selection message type.
F. Router C will send a Source Quench message type.

A.ATM
B.IDS
C.IOS
D.IOX
E.IPS
F.SDM

A. incorrect bandwidt h configuration
B. incorrect LMI configuration
C. incorrect map statement
D. incorrect IP address

A. Executing password recovery is required.
B. The virtual terminal lines are misconfigured.
C. Use Telnet to connect to RouterA and then to NewSwitch to correct the error.
D. Power cycle of NewSwitch will return it to a default configuration.

A. atm-dxi
B. frame-relay
C. hdlc
D. lapb
E. ppp

A.This is a 10 Mb/s switch port.
B.This is a 100 Mb/s switch port.
C.This is an Ethernet port operating at half duplex.
D.This is an Ethernet port operating at full duplex.
E.This is a port on a network interface card in a PC

A. 24
B. 4
C. 8
D. 16

A. reduces routing table entries
B. auto-negotiation of media rates
C. efficient utilization of MAC addresses
D. dedicated communications between devices
E. ease of management and trouble shooting

A.FTP
B.Telnet
C.SMTP
D.DNS
E.HTTP
F.POP3

A.RIP v1
B.RIP v2
C.IGRP
D.OSPF
E.BGP
F.EIGRP