面试题每日一练系列(5)_network

1. _____is the mask of CLASS-C network ip address?  A
A.255.255.255.0   B.255.255.0.0   C.255.0.0.0

3.What does ARP do?   B
A.Figure out IP address with MAC address
B.Figure out MAC address with IP address
C.Figure out DLCI address with IP address
D.Figure out DLCI address with MAC address

4.Which one  below could not be the IP address of a 18 bits mask network?

A.150.150.37.2   B.150.150.16.2   C.150.150.8.12   D.150.150.47.255

5.Which one is a link state routing protocol below?   C
A.static   B.RIP   C.IS-IS   D.BGP

6.TCP connection is a _____ steps synchronization step?  C
A.1   B.2   C.3   D.4

7.A VlAN is a _______?
A.a broadcast domain   B.a conflict domain   C.a multicast domain

空着的，有谁知道的，请给出你的答案，最好说明一下资料出处。


二、多选

8.Which are distance-rector routing protocol?   AD
A.RIP   B.IS-IS   C.OSPF   D.BGP

10.Which ones are the standards of WLAN?
A.802.11a   B.802.11b   C.802.11g   D.802.1x   E.802.1ad



2.Which IP address is a multicast IP address below?
A.10.1.1.1   B.156.12.3.25   C.239.1.24.30   D.172.168.1.1
多播组地址包括为111 0的最高4 bit和多播组号。它们通常可表示为点分十进制数，
范围从224.0.0.0到239.255.255.255。