单选题Which of the following NSAP addresses is a private, locally administered address?（）A 39.0f01.0002.0000.0c00.1111.00B 48.0f01.0002.0000.0c00.1111.00C 49.0004.30ac.0000.3090.c7df.00D 52.0f01.0002.0000. 0c00.1111.00

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第2题：

Which of the following IP addresses is a private IP address? Select all that apply.（）

• A、12.0.0.1
• B、168.172.19.39
• C、172.20.14.36
• D、172.33.194.30
• E、192.168.42.34

正确答案:C,E

第3题：

Which of the following describe private IP addresses? (Choose two.)（）

• A、addresses chosen by a company to communicate with the Internet
• B、addresses that cannot be routed through the public Internet
• C、addresses that can be routed through the public Internet
• D、a scheme to conserve public addresses
• E、addresses licensed to enterprises or ISPs by an Internet registry organization

正确答案:B,D

第4题：

Which of the following types of NAT allows multiple private internal IP addresses to use a singlepublic external IP address？（）

• A、NAT mapping
• B、NAT overloading
• C、NAT caching
• D、Static NAT
• E、Dynamic NAT
• F、Overlapping NAT

正确答案:B

第5题：

Which of the following features on a wireless router maps the private IP address to a public IPaddress?（）

• A、SSID
• B、NAT
• C、MAC filtering
• D、DHCP

正确答案:B

第6题：

Which of the following TCP/IP addresses is a Class C address?（）

• A、10.0.0.1
• B、12.78.1.1
• C、172.16.1.1
• D、192.168.1.1

正确答案:D

第7题：

Which of the following allows a technician to mask a private network of IP addresses behind onepublic IP address?（）

• A、NAT
• B、Subnetting
• C、DHCP
• D、DNS

正确答案:A

第8题：

Which two statements are true about the primary address on an interface? （）

• A、It is the address used by default as the local address for broadcast and multicast packets sourced locally and sent out of the interface
• B、You use the primary address when you have multiple IP addresses belonging to the same subnet on the same inteface
• C、It can be useful for selecting the local address used for packets sent out of unnumbered interfaces when multiple non-127 addresses are configured on the loopback interface
• D、By default, the primary address on an interface is selected as the nmerically highest local address configured on the interface

正确答案:A,C

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第14题：

Which of the following features would hide internal IP addresses from the Internet?（）

• A、Network Address Translation
• B、Port forwarding
• C、Quality of Service
• D、SSID broadcast

正确答案:A

第15题：

Which of the following describe private IP addresses?（）

• A、addresses chosen by a company to communicate with the Internet
• B、addresses that cannot be routed through the public Internet
• C、addresses that can be routed through the public Internet
• D、a scheme to conserve public addresses
• E、addresses licensed to enterprises or ISPs by an Internet registry organization

正确答案:B,D

第16题：

Which of the following NSAP addresses is a private, locally administered address?（）

• A、39.0f01.0002.0000.0c00.1111.00
• B、48.0f01.0002.0000.0c00.1111.00
• C、49.0004.30ac.0000.3090.c7df.00
• D、52.0f01.0002.0000. 0c00.1111.00

正确答案:C

第17题：

Which of the following processes translates a private IP address for a public IP address?（）

• A、NAT
• B、DNS
• C、DHCP
• D、PAT

正确答案:A

第18题：

Which of the following network devices uses NAT to convert private IP addresses into public IPaddresses?（）

• A、NAS
• B、Firewall
• C、Hub
• D、Bridge

正确答案:B

第19题：

The internet address 198.102.27.120 represents which of the following addresses？（）

• A、Class A
• B、Class B
• C、Class C
• D、Class D

正确答案:C

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