CISCO Cyberops Security Fundamentals Section 01: TCP/IP Protocol Suite (Q 41-50)

10 Questions | Total Attempts: 291

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CISCO Quizzes & Trivia

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Questions and Answers
  • 1. 
    What service does the DNS protocol provide?
    • A. 

      Points to a website proxy device

    • B. 

      Resolve IP addresses to MAC addresses

    • C. 

      User-friendly hostname resolution to an IP address

    • D. 

      Resolves a NetBIOS hostname to a MAC Address

  • 2. 
    Which one of the following options describes the protocol and port that is used by DNS?
    • A. 

      TCP 53

    • B. 

      UDP 53

    • C. 

      UDP 53 and TCP 53

    • D. 

      Any registered port

  • 3. 
    Which ICMP message type is sent by the router if an IP packet TTL field reaches zero?
    • A. 

      Destination Unreachable

    • B. 

      ICMP Time-Exceeded

    • C. 

      Echo Reply

    • D. 

      Echo Request

  • 4. 
    What two types of ICMP messages are used by the ping command ? (Choose two.)
    • A. 

      Whois Request

    • B. 

      Destination Unreachable

    • C. 

      Echo Request

    • D. 

      Echo Reply

  • 5. 
    Which one of the following protocols sends data in clear text?
    • A. 

      Telnet

    • B. 

      HTTPS

    • C. 

      SSH

    • D. 

      SCP

  • 6. 
    To capture traffic that is not destined for the local machine, the network card must be placed into a special mode, referred to as which mode?
    • A. 

      Promiscuous

    • B. 

      Transparent

    • C. 

      Monitor

    • D. 

      Bypass

  • 7. 
    The main interface of Wireshark consists of what three components? (Choose three.)
    • A. 

      Packet list

    • B. 

      Packet details

    • C. 

      Packet bytes

    • D. 

      Interface statistics

    • E. 

      Protocol hierarchy

  • 8. 
    Which one of the following options is the syntax that Wireshark display filters use?
    • A. 

      BPF

    • B. 

      BSD

    • C. 

      YAML

    • D. 

      Proprietary

  • 9. 
    When using Wireshark and tcpdump together, which one of the following options are the filters that you would configure to reduce the amount of unnecessary data that was captured?
    • A. 

      Turn off promiscuous mode on the interface

    • B. 

      Turn on promiscuous mode on the interface

    • C. 

      Set tcpdump capture filters

    • D. 

      Disable the monitor interface mode

  • 10. 
    When a user opens a web browser to initiate an HTTP connection to the http://www.example.com web server, the first TCP packet that is sent to the web server will have which TCP flag set?
    • A. 

      RST

    • B. 

      URG

    • C. 

      PSH

    • D. 

      ACK

    • E. 

      SYN