Network Naming

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| By Alyson.macanas

Alyson.macanas

Community Contributor

Quizzes Created: 2 | Total Attempts: 2,228

Questions: 10 | Attempts: 1,746 | Updated: Mar 21, 2023

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Questions and Answers

1.

The users on your network haven't been able to connect to the server for 30 minutes. You check and reboot the server, but it's unable to PING either its own loopback address or any of your client systems. What should you do?
- A.
  
  Have your users PING the server.
- B.
  
  Replace the NIC on the server, because it has failed.
- C.
  
  Restart the DNS server.
- D.
  
  Restart the DHCP server.
Correct Answer
B. Replace the NIC on the server, because it has failed.

Explanation
The correct answer is to replace the NIC on the server because it has failed. This is indicated by the fact that the server is unable to PING its own loopback address or any client systems. The failure of the NIC is preventing network connectivity, so replacing it is the appropriate solution to restore connectivity. Restarting the DNS or DHCP server would not resolve the issue as the problem lies with the NIC. Having users PING the server would not be necessary or helpful in this situation.

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2.

What is checked first when trying to resolve an FQDN to an IP address?
- A.
  
  LMHOSTS file
- B.
  
  DNS server
- C.
  
  HOSTS file
- D.
  
  WINS server
Correct Answer
C. HOSTS file

Explanation
When trying to resolve an FQDN (Fully Qualified Domain Name) to an IP address, the first thing checked is the HOSTS file. The HOSTS file is a local file on a computer that contains a mapping of IP addresses to hostnames. It is typically used to override the DNS (Domain Name System) resolution process and provide specific IP address mappings for certain hostnames. By checking the HOSTS file first, the system can quickly resolve the FQDN to the corresponding IP address without having to query external DNS servers.

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3.

When troubleshooting a network using NetBIOS, what command do you use to see if the other local systems are visible?
- A.
  
  Net view
- B.
  
  Nbtstat
- C.
  
  Nbt view
- D.
  
  View local
Correct Answer
A. Net view

Explanation
To troubleshoot a network using NetBIOS, the command "net view" is used to see if the other local systems are visible. This command allows the user to view a list of all the shared resources on a network and check if the other systems are accessible and visible. By using "net view," the user can identify any connectivity or visibility issues within the network and proceed with further troubleshooting steps if necessary.

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4.

What are the two reasons to use a WINS server?
- A.
  
  To reduce overhead from broadcasts
- B.
  
  To support Windows XP systems on IP networks
- C.
  
  To enable NetBIOS name resolution across routers
- D.
  
  To facilitate broadcast of NetBIOS names
Correct Answer(s)
A. To reduce overhead from broadcasts
C. To enable NetBIOS name resolution across routers

Explanation
A WINS server is used for two main reasons. Firstly, it helps reduce overhead from broadcasts. By using a WINS server, computers can register their NetBIOS names and resolve the names of other computers without relying on broadcast messages, which can cause network congestion. Secondly, a WINS server enables NetBIOS name resolution across routers. NetBIOS names are typically limited to the local subnet, but with a WINS server, computers can resolve NetBIOS names across different subnets by querying the WINS server for the IP address associated with a particular name.

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5.

Which type of DNS record is used by mail servers to determine where to send e-mail?
- A.
  
  A record
- B.
  
  MX record
- C.
  
  SMTP record
- D.
  
  CNAME record
Correct Answer
B. MX record

Explanation
MX record is the correct answer because it is specifically used by mail servers to determine the mail exchange servers responsible for accepting incoming email messages for a particular domain. MX records point to the domain names of these mail exchange servers, allowing the mail to be properly routed and delivered to the intended recipients.

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6.

What command do you use to see the DNS cache on a Windows system?
- A.
  
  Ipconfig /showdns
- B.
  
  Ping /displaydns
- C.
  
  Ipconfig /displaydns
- D.
  
  Ping /showdns
Correct Answer
C. Ipconfig /displaydns

Explanation
The correct answer is "ipconfig /displaydns". This command is used to view the DNS cache on a Windows system. It displays all the cached DNS records, including the host name, type, TTL (Time to Live), and the corresponding IP address. This can be useful for troubleshooting DNS-related issues or checking the status of DNS resolutions on the system.

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7.

What command do you use to check the current NetBIOS name cache?
- A.
  
  Nbtstat -c
- B.
  
  Netstat -c
- C.
  
  Nbtstat -n
- D.
  
  Netstat -n
Correct Answer
A. Nbtstat -c

Explanation
The correct answer is "nbtstat -c". Nbtstat is a command-line tool used to troubleshoot NetBIOS name resolution problems. The "-c" option is used to display the current NetBIOS name cache. This command allows you to view the names that have been resolved to IP addresses and are currently stored in the cache. By checking the current NetBIOS name cache, you can verify if the names are being resolved correctly and troubleshoot any potential issues.

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8.

A user calls to say she can't see the other systems on the network when she looks in My Network Places. You are not using NetBIOS. What are your first two troubleshooting steps?
- A.
  
  PING the address of a known Web site.
- B.
  
  PING the IP addresses of the router.
- C.
  
  PING the loopback address to test her NIC.
- D.
  
  PING several neighboring systems using both DNS names and IP addresses.
Correct Answer(s)
C. PING the loopback address to test her NIC.
D. PING several neighboring systems using both DNS names and IP addresses.

Explanation
The first troubleshooting step is to PING the loopback address to test the user's NIC (Network Interface Card). This step helps determine if the NIC is functioning properly. The loopback address is a virtual network interface that allows a device to test its own network functionality.

The second troubleshooting step is to PING several neighboring systems using both DNS names and IP addresses. This step helps identify if there is a network connectivity issue between the user's system and other systems on the network. By testing with both DNS names and IP addresses, it helps determine if the issue is related to DNS resolution or IP connectivity.

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9.

PING several neighboring systems using both DNS names and IP addresses.
- A.
  
  People name space
- B.
  
  DNS name space
- C.
  
  Hierarchical name space
- D.
  
  Flat name space
Correct Answer
D. Flat name space

Explanation
The correct answer is "Flat name space." A flat name space refers to a naming system where all names are unique and exist in a single level, without any hierarchical structure. In this context, the suggestion to "PING several neighboring systems using both DNS names and IP addresses" indicates that the naming system being used does not rely on a hierarchical structure like DNS. Instead, it uses a flat name space where each system has a unique name or IP address.

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10.

The DNS root directory is represented by what symbol?
- A.
  
  \ (back slash)
- B.
  
  / (forward slash)
- C.
  
  . (dot)
- D.
  
  $ (dollar sign)
Correct Answer
C. . (dot)

Explanation
The DNS root directory is represented by a dot symbol. In the DNS (Domain Name System) hierarchy, the root directory is the highest level and is represented by a dot. This dot signifies the starting point for the DNS resolution process and separates the different levels in a domain name. It is used to indicate the top-level domain (TLD) and is followed by the domain name hierarchy, such as .com, .org, or .net.

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Current Version
Mar 21, 2023

Quiz Edited by
ProProfs Editorial Team
Apr 13, 2016

Quiz Created by
Alyson.macanas

Network Naming

The users on your network haven't been able to connect to the server for 30 minutes. You check and reboot the server, but it's unable to PING either its own loopback address or any of your client systems. What should you do?

What is checked first when trying to resolve an FQDN to an IP address?

When troubleshooting a network using NetBIOS, what command do you use to see if the other local systems are visible?

What are the two reasons to use a WINS server?

Which type of DNS record is used by mail servers to determine where to send e-mail?

What command do you use to see the DNS cache on a Windows system?

What command do you use to check the current NetBIOS name cache?

A user calls to say she can't see the other systems on the network when she looks in My Network Places. You are not using NetBIOS. What are your first two troubleshooting steps?

PING several neighboring systems using both DNS names and IP addresses.

The DNS root directory is represented by what symbol?