Test 3 Computer Networking

55 Questions | Total Attempts: 37

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Computer Networking Quizzes & Trivia

Cgs test


Questions and Answers
  • 1. 
    A host with a public address can initiate a connection to a host with a private NAT address.
    • A. 

      True

    • B. 

      False

  • 2. 
    Does a box working as a NAT router need to keep record of the state of each connection that passes through it?
    • A. 

      No but it does need to create state tables

    • B. 

      Yes but it doesn't need to create state tables

    • C. 

      Yes and it creates state tables

    • D. 

      No and it doesn't need to create state tables

    • E. 

      None of the above

  • 3. 
    A layer 3 firewall is a router.
    • A. 

      True

    • B. 

      False

  • 4. 
    Can firewall rules be applied only to one of a firewalls interfaces or must they be applied to all of them?
    • A. 

      No it must be applied to all

    • B. 

      Yes it can be applied to only one

    • C. 

      None of the above

  • 5. 
    Different interfaces on a firewall can't have different firewall rules.
    • A. 

      True

    • B. 

      False

  • 6. 
    What are some examples of information in a datagram that might be used to decide weather to pass or drop a packet?
    • A. 

      Source IP address Destination IP address

    • B. 

      IP protocol (ICMP, TCP or UDP)

    • C. 

      Source TCP or UDP port

    • D. 

      Destination TCP or UDP port

    • E. 

      All of the above

  • 7. 
    The order is not important in firewall rules applied to an interface.
    • A. 

      True

    • B. 

      False

  • 8. 
    What is the well known port for SMTP (email)?
    • A. 

      Mail= port 7/tcp

    • B. 

      Mail= port 27/tcp

    • C. 

      Mail= port 25/tcp

    • D. 

      Mail= port 30/tcp

    • E. 

      Mail= port 25/udp

  • 9. 
    Ports < X are used for administrative/root services? X=?
  • 10. 
    What are the basic types of routing protocols?
    • A. 

      IGP - Internal routing - within an organization (Autonomous System)

    • B. 

      BGP4

    • C. 

      EGP - Exterior routing - used between organizations.

    • D. 

      OGP- Outer routing - used between organizations

    • E. 

      A and C

  • 11. 
    What are the types of Internal routing protocols?
    • A. 

      Distance Vector - RIP, RIP v2, EIGRP

    • B. 

      Vector State - RIP, RIP v2, EIGRP

    • C. 

      Link State - OSPF, ISIS

    • D. 

      A and C

    • E. 

      B and C

  • 12. 
    What are examples of Internal routing protocols?
    • A. 

      RIP Version 3 - RFC1723 - understands modern classless networks

    • B. 

      RIP - RFC1058 - Only understands old class a/b/c style networks

    • C. 

      RIP Version 2 - RFC1723 - understands modern classless networks

    • D. 

      All

    • E. 

      Only B and C

  • 13. 
    What IP protocol does RIP use to exchange information?
    • A. 

      TCP

    • B. 

      ICMP

    • C. 

      ARP

    • D. 

      UDP

    • E. 

      None of the above

  • 14. 
    What IP protocol does OSPF use to exchange information?
    • A. 

      ITS OWN IP PROTOCOL (LIKE UDP OR TCP AT LAYER 4) IT USES IP PROTOCOL 89

    • B. 

      ITS OWN IP PROTOCOL (LIKE UDP OR TCP AT LAYER 4) IT USES IP PROTOCOL 98

    • C. 

      ITS OWN IP PROTOCOL (LIKE UDP OR TCP AT LAYER 4) IT USES IP PROTOCOL 25

    • D. 

      ITS OWN IP PROTOCOL (LIKE UDP OR TCP AT LAYER 4) IT USES IP PROTOCOL 7

    • E. 

      ITS OWN IP PROTOCOL (LIKE UDP OR TCP AT LAYER 4) IT USES IP PROTOCOL 11

  • 15. 
    What IP protocol does BGP use to exchange information?
    • A. 

      UDP

    • B. 

      TCP

    • C. 

      ICMP

    • D. 

      ARP

  • 16. 
    Is BGP4 an example of a exterior routing protocol?  
    • A. 

      No

    • B. 

      Yes

  • 17. 
    Does a host running RIP periodically send its entire routing table to its neighbor?
    • A. 

      Yes

    • B. 

      No

  • 18. 
    Does a host running OSPF periodically send its entire routing table to its neighbors?
    • A. 

      Yes

    • B. 

      No

  • 19. 
    Can you use RIPv1 on modern classless networks?
    • A. 

      YES, IT UNDERSTANDS CLASSLESS NETWORKS

    • B. 

      NO, IT ONLY UNDERSTANDS OLD CLASS a/b/c STYLE NETWORKS

  • 20. 
    Can you use RIPv2 on modern classless networks?
    • A. 

      NO

    • B. 

      YES

  • 21. 
    What is the protocol used to exchange routing information between organizations (autonomous systems) on the Internet today?
  • 22. 
    What are two WAN technologies that use PPP for framing?
    • A. 

      Serial links - including dial-ups DOCSIS

    • B. 

      Serial links - including dial-ups POS - Packet over sonet (fiber optic)

    • C. 

      None of the above

  • 23. 
    What is the standard most cable modems use now?
  • 24. 
    Frame relay and ATM build virtual circuits on top of what underlying physical topology?
  • 25. 
    The highest speed data connections over sonet are done with what framing?
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