Review Questions ( Network+ Chapter 3 )

Review Questions

1. Where should Samba be installed to allow a Microsoft operating system access to a UNIX operating system?
A. On the Microsoft client
B. On the Microsoft server
C. On the UNIX client
D. On the UNIX server

2. Which feature is not available in NetBEUI/NetBIOS?
A. It is self-tuning.
B. It is fast in small networks.
C. It requires little configuration.
D. It is routable.

3. The Class B address range for the first octet is ________.
A. 1–127
B. 128–191
C. 192–223
D. 224–255

4. What does a subnet mask allow a TCP/IP device to differentiate?
A. Network ID and host ID
B. Workgroups from each other
C. Host IDs
D. All the above

5. HTTP usually connects to a web server on port number __.
A. 21
B. 25
C. 80
D. 443

6. The port number for POP3 mail is ___________________.
A. 25
B. 80
C. 100
D. 110

7. FTP usually connects to the server on port number ________.
A. 21
B. 25
C. 80
D. 110

8. Internet mail is sent between mail servers via which protocol?
A. SNMP
B. SMTP
C. POP
D. Telnet

9. What is the default subnet mask for a Class C address?
A. 255.0.0.0
B. 255.255.0.0
C. 255.255.255.0
D. 255.255.255.255

10. Network Address Translation, or NAT, is found in ______.
A. Hubs
B. Transceivers
C. NIC protocol drivers
D. Routers

11. Joe’s computer has been configured with an IP address in which the host bits are all binary 1s. Joe can’t seem to communicate on the network at all. What is the most likely problem?
A. Joe’s computer is configured with an IP address that conflicts with another device.
B. Joe’s computer is configured with the broadcast address for his subnet.
C. Joe’s computer needs to be configured with the IP address of a DNS server.
D. Joe’s computer needs to be configured with the address of the default gateway.

12. Which protocol is considered connection-oriented?
A. DDP
B. TCP
C. NetBEUI
D. UDP

13. What type of network includes limited outside access to internal corporate resources?
A. The Internet
B. An internet
C. An intranet
D. An extranet

14. SMTP normally operates through port number __________.
A. 21
B. 25
C. 80
D. 110

15. FQDN is an acronym for ___________________.
A. Fully Qualified Division Name
B. Fully Qualified DNS Name
C. Fully Qualified Dynamic Name
D. Fully Qualified Domain Name

16. What is the result of increasing the refresh value in the SOA record of a zone file on a primary DNS server?
A. The secondary DNS servers will be updated with changes to the zone file more quickly and more often.
B. The minimum time to live for resource records without a TTL setting will be increased.
C. The time after a secondary DNS server receives a zone transfer when it considers the zone information to be invalid increases.
D. The secondary DNS servers will be updated with changes to the zone file less quickly and less often.

17. Which of the following changes would require an administrator to contact the service provider that hosts the primary DNS server for the administrator’s DNS domain? (Choose all that apply.)
A. The company changed IP addressing schemes, and the web server’s address changed as a result.
B. The company added 15 new client PCs to the network.
C. The company added a new mail server.
D. The company upgraded from Category 3 cabling to Category 5e.

18. FTP is the abbreviation for ___________________.
A. Formal Transfer Protocol
B. Full Transfer Protocol
C. Final Transfer Protocol
D. File Transfer Protocol

19. Which of the following is not a feature of a proxy server?
A. It can reduce Internet traffic requests.
B. It can assist with security.
C. It can reduce user wait time for a request.
D. It can convert a nonroutable protocol to a routable protocol.

20. What is the primary purpose of a VLAN?
A. Demonstrating the proper layout for a network
B. Simulating a network
C. Segmenting a network inside a switch or device