Ch13 Network Fundamentals Exam

Ch13 Network Fundamentals Exam

1. What is used to partition a network into different logical networks?

   • Partitioning
   • Masking 
   • Subnetting 
   • Dividing

2. Which class’s IP addresses can be assigned to network interfaces?

   • Class A,B,C and D
   • Class A, B and C 
   • Class A,B,C, D and E 
   • Class A and B

3. The 4th octet is used for creating subnets for Class C networks. True or False?

   • True 
   • False

4. Which of the following is the subnet mask for Class B networks?

   • 255.255.0.0 
   • 224.224.224.0 
   • 255.255.*.* 
   • 255.255.255.0

5. Given an IP address 10.11.15.8, the host ID derived from it is:

   • 10.11.15 
   • 10.11.15.0
   • 255.11.15.8
   • 11.15.8

6. Which are the different types of IP addresses used on the Internet? 

   • Public and Broadcast 
   • Private and Proxy 
   • Public and Private 
   • Public and Proxy

7. This body is responsible for assigning public IP addresses:

   • Network Allocation Centre 
   • InterNIC 
   • InterNET 
   • Network Information Association

8. Which of the following does not need a public IP address?

   • DNS Server 
   • Proxy Server 
   • Email Server 
   • User’s Computer Section

9. Which file is used for mapping the application services to their respective port numbers?

   • /etc/network 
   • /etc/services 
   • /etc/netservices 
   • /etc/ports

10. The default route is the route that will be used when the router _______.

    • sends a minimum of one packet to a final destination 
    • finds a matching route in the routing table 
    • does not have a route for the packet’s destination in the routing table 
    • contains an empty routing table

11. Which of the following statements are true about the routing table?

    (choose three)

    • The ip command is used to set up routing 
    • The routing table can be modified by the root user only 
    • The IP layer consults the routing table 
    • The default gateway is not specified in the routing table

12. Which is the standard port used for HTTP service?

    • 80 
    • 161 
    • 110 
    • 25

13. Which protocol uses a sequence number mechanism to ensure ordered delivery of data?

    • IP 
    • ICMP 
    • TCP 
    • UDP

14. A server sends 1000 bytes of data but the client receives only 800 bytes. The server then retransmits the data. This pattern indicates:

    • UDP 
    • TCP
    • IP 
    • ICMP

15. The kernel’s routing table is managed by the IP protocol. True or False?

    • True 
    • False

16. What is the size of UDP headers?

    • 12 bytes 
    • Maximum 10 bytes 
    • 8 bytes 
    • 20 bytes

17. IPv6 addresses are based on _____:

    • 64 bits 
    • 128 bits
    • 32 bits
    • 256 bits

18. Which protocol is used by the FTP daemon?

    • ICMP 
    • FTP 
    • UDP 
    • TCP

19. Which notation is used to express IPv6 addresses?

    • Octal 
    • Decimal 
    • Binary 
    • Hex

20. FTP encrypts the user name and password entered by the user to log in.

    True or False? 

    • True 
    • False

21. If you want to FTP a zip file from your computer to the server, which mode will you use for file transfer? 

    • Binary 
    • Subnetting 
    • Zip
    • Dividing
    • Partitioning

22. Which of the following commands is used to telnet to port 33?

    • telnet server_name 33 
    • telnet server_name 
    • telnet server_name --33 
    • telnet server_name -p 33

23. Which protocol does the Echo Reply/Request (ping) message use?

    • UDP 
    • TCP 
    • ICMP 
    • IP

24. Which file holds the list of the name servers?

    • /etc/nameservers.conf 
    • /etc/dns.conf 
    • /etc/resolv.conf 
    • /etc/host.conf

25. The ____ command is used for troubleshooting the configuration of DNS servers.

    • host
    • ip 
    • dig
    • find

26. The _____ command is used to do reverse IP address lookups. 

    • uname
    • netstat 
    • host 
    • hostname