2014年思科认证：CCNA认证考试精选模拟试题及答案3
为了帮助考生们复习好《思科认证：CCNA认证学科》，我们考吧网整理了一些关于思科认证：CCNA认证的复习模拟试题，本次汇编的模拟试题希望对你的考试有所帮助，预祝你考试顺利
1: your organization is using the 192.168.1.0/24 address space. you need 28 subnets. what subnet mask would you use to create these subnets?
a. 255.255.255.0
b. 255.255.255.128
c. 255.255.255.192
d. 255.255.255.224
e. 255.255.255.240
f. 255.255.255.248
2: which of the following protocols maps ip addresses to mac addresses for connectivity to occur between two hosts?
a. arp
b. rarp
c. slarp
d. dhcp
3. 以下哪两项属于路由协议? (选择两项。) AD
RIP
IPX
IP
OSPF
广播
4. OSI参考模型中有多少层? D
3
4
6
7
5: your junior network administrator cannot seem to ping a host in another network and asks you why it isn't working. which of the following is not an answer that you would give him?
a. the host's default gateway is down.
b. the destination host is not powered on.
c. the ip address of the router interface is incorrect.
d. the ip address of the switch to which the destination host connects is incorrect.
e. the host is in a different subnet.
6. 在不产生冲突的情况下，一个24端口集线器能够同时通过多少个帧? A
1
2
4
8
7. 根据RFC 1918，以下哪两个地址属于私有地址? (选择两项。) AC
10.12.21.1
18.24.7.245
172.16.34.18
172.47.88.89
212.45.22.12
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