CISCO Cyberops Security Fundamentals Section 01: Tcp/IP Protocol Suite (q 21-30)

10 Questions

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Questions and Answers
  • 1. 
    What is the address 127.0.0.1 used for?
    • A. 

      Local broadcast

    • B. 

      Link local address

    • C. 

      Network IP Address

    • D. 

      Local loopback testing

  • 2. 
    Using the default network mask, which two of the following are valid host addresses? (Choose 2.)
    • A. 

      10.0.0.0

    • B. 

      192.168.10.1

    • C. 

      172.16.255.255

    • D. 

      10.10.10.10

  • 3. 
    Which two of the following IP addresses belong to the private address range? (Choose two.)
    • A. 

      127.0.0.1

    • B. 

      10.3.8.248

    • C. 

      172.17.39.9

    • D. 

      192.167.5.5

    • E. 

      198.162.252.45

  • 4. 
    RFC 1918 specifies a set of IP addresses that are reserved for what type of networks?
    • A. 

      Loopback

    • B. 

      Private

    • C. 

      Public

    • D. 

      Broadcast

  • 5. 
    Which one of the following options is the Class C private IP range?
    • A. 

      192.168.0.0–192.168.255.255

    • B. 

      172.16.0.0–172.31.255.255

    • C. 

      10.0.0.0–10.255.255.255

    • D. 

      192.168.1.0–192.168.1.255

  • 6. 
    A host using an IP address from the private IP range needs to connect to a website on the Internet. What function must be performed in order for the device to connect to the web service?
    • A. 

      ACL

    • B. 

      NAT

    • C. 

      PBR

    • D. 

      PfR

  • 7. 
    Which two of the following are valid IPv6 addresses? (Choose two.)
    • A. 

      2001:0:130f::9c0:876a:130b

    • B. 

      2001::130f::9c0:876a:130b

    • C. 

      0:1

    • D. 

      0:0:0:0:0:0:0:1

  • 8. 
    When comparing IPv4 and IPv6 headers, which one of the following options is the field that is new in the IPv6 headers?
    • A. 

      Traffic class

    • B. 

      Hop limit

    • C. 

      Payload length

    • D. 

      Flow label

  • 9. 
    What is the length of the IPv6 addresses in bits?
    • A. 

      48

    • B. 

      64

    • C. 

      128

    • D. 

      256

  • 10. 
    Which two characteristics do a TCP connection have? (Choose two.)
    • A. 

      Operates at Layer 3 of the OSI model

    • B. 

      Does not provide error checking

    • C. 

      Is connection-oriented

    • D. 

      Operates in full-duplex mode

    • E. 

      Uses IP protocol number 32