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

10 Questions | By Paranormalrob | Updated: Mar 21, 2022 | Attempts: 382

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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