Q1. Which subnet mask is valid? 

A. 255.255.255.240 

B. 255.255.255.228 

C. 255.255.255.164 

D. 255.255.255.245 

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Q2. Which IEEE 802.11 Wi-Fi networking standard requires dual antennas so it can run in all of its supported frequencies? 

A. 802.11a 

B. 802.11b 

C. 802.11g 

D. 802.11n 

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Q3. Which of the following is a public IP address? 

A. 10.156.89.1 

B. 68.24.78.221 

C. 172.16.152.48 

D. 192.168.25.101 

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Q4. The service that resolves fully qualified domain names (FQDN) to IP addresses is: 

A. Windows Internet Name Service (WINS). 

B. Domain Name Service (DNS). 

C. Internet Service Provider (ISP). 

D. Address Resolution Protocol (ARP). 

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Q5. You ping a server by using fully qualified domain name (FQDN) and do not receive a response. You then ping the same server by using its IP address and receive a response. 

Why do you receive a response on the second attempt but not on the first attempt? 

A. PING is improperly configured. 

B. The DNS is not resolving. 

C. The DHCP server is offline. 

D. NSLOOKUP is stopped. 

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Q6. Which of the following determines the media access method that is used in a network? 

A. Number of hosts connected to the network 

B. Number of domain servers on the segment 

C. Maximum speed of the media 

D. Topology and protocols 

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Q7. This question requires that you evaluate the underlined text to determine if it is correct. 

IPv4 multicast addresses range from 192.168.0.0 to 192.168.255.255. 

Select the correct answer if the underlined text does not make the statement correct. Select "No change is needed" if the underlined text makes the statement correct. 

A. 127.0.0.0 to 127.255.255.255 

B. 172.16.0.0 to 172.31.255.255 

C. 224.0.0.0 to 239.255.255.255 

D. No change is needed 

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Q8. This question requires that you evaluate the underlined text to determine if it is correct. 

Plain old telephone service (POTS), most ISDN lines, and switched T1 lines are all examples of Message Switching. 

Select the correct answer if the underlined text does not make the statement correct. Select 'No change is needed'' if the underlined text makes the statement correct. 

A. Circuit Switching 

B. Packet Switching 

C. FDDI Switching 

D. No change is needed 

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Q9. What are two advantages of using star topology rather than ring topology in a computer lab workgroup? (Choose two.) 

A. Failure of a central connectivity device does not bring down the entire network. 

B. A central connection point allows for flexibility and scalability. 

C. Data travels on redundant paths, so one cable cannot stop its transmission. 

D. A cable problem within the group affects two nodes, at most. 

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Q10. HOTSPOT 

Identify the network cable type and connector in the following graphic: 

Use the drop-down menus to select the answer choice that answers each question. Each correct selection is worth one point. 

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