<b id="xkjjo"><blockquote id="xkjjo"></blockquote></b>

CCNA系列認(rèn)證CCNA(200-120)單項選擇題每日一練(2019.01.25)

單項選擇題
A cisco router is booting and has just completed the POST process.It is now ready to find and load an IOS image.what function does the router perform next?（）
A.It checks the configuration register
B.It attempts to boot from a TFTP server
C.It loads the first image file in flash memory
D.It inspects the configuration file in NVRAM for boot instructions
單項選擇題
which address range efficiently summarizes the routing table of the addresses for router main?（）
A.172.16.0.0/18
B.172.16.0.0/16
C.172.16.0.0/20
D.172.16.0.0/21
單項選擇題
Refer to the exhibit. What switch proves the spanning-tree designated port role for the network segment that services the printers?（）
A.Switch1
B.Switch2
C.Switch3
D.Switch4
單項選擇題
Refer to the exhibit. Give this output for SwitchC, what should the network administrator's next action be?（）
A.Check the trunk encapsulation mode for SwitchC's fa0/1 port.
B.Check the duplex mode for SwitchC's fa0/1 port.
C.Check the duplex mode for SwitchA's fa0/2 port.
D.Check the trunk encapsulation mode for SwitchA's fa0/2 port.
單項選擇題
Refer to the exhibit. According to the routing table, where will the router send a packet destined for 10.1.5.65?（）
A.10.1.1.2
B.10.1.2.2
C.10.1.3.3
D.10.1.4.4