CISCO Cyberops Security Fundamentals Section 01: TCP/IP Protocol Suite (Q 31-40)

10 Questions | By Paranormalrob | Updated: Mar 21, 2022 | Attempts: 161

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1.

Which three of the following fields are found in a TCP segment? (Choose three.)
- A.
  
  Source port
- B.
  
  Window size
- C.
  
  Source IP address
- D.
  
  Payload length
- E.
  
  Checksum
2.

Which three of the following are TCP applications? (Choose three.)
- A.
  
  Telnet
- B.
  
  SSH
- C.
  
  ARP
- D.
  
  FTP
- E.
  
  NTP
3.

In a TCP header, which field identifies the number of octets that the device is willing to accept?
- A.
  
  TTL field
- B.
  
  Window field
- C.
  
  TOS field
- D.
  
  Source IP address field
4.

Which one of the following options describes the three steps in the TCP 3-way handshake?
- A.
  
  1. SYN; 2. SYN, ACK; 3. ACK
- B.
  
  1. SYN; 2. ACK; 3. SYN
- C.
  
  1. SYN; 2. SYN; 3. ACK
- D.
  
  1. SYN; 2. ACK; 3. ACK
5.

For TCP connection establishment, which one of the following statements is true?
- A.
  
  Only the sender generates a sequence number.
- B.
  
  Both the sender and receiver generate sequence numbers.
- C.
  
  The sequence numbers for both the sender and the receiver must match.
- D.
  
  Only the receiver generates a sequence number.
6.

UDP has which two of the following characteristics? (Choose two.)
- A.
  
  Operates at Layer 3 of the OSI model
- B.
  
  Uses IP protocol number 17
- C.
  
  Connection oriented to provide reliability
- D.
  
  UDP header contains the sequence number field
- E.
  
  Does not guarantee data delivery
7.

Which one of the following options is a valid field in the UDP header?
- A.
  
  Window size
- B.
  
  Options
- C.
  
  Checksum
- D.
  
  Reserved
8.

At which layer of the OSI model does UDP operate?
- A.
  
  Layer 2
- B.
  
  Layer 4
- C.
  
  Layer 1
- D.
  
  Layer 5
9.

Which two of the following are UDP applications? (Choose two.)
- A.
  
  SMTP
- B.
  
  TFTP
- C.
  
  FTP
- D.
  
  SNMP
10.

Which one of these source ports does a client dynamically use when it connects to a server that is listening on a well-known port?
- A.
  
  Ephemeral
- B.
  
  Registered
- C.
  
  Well-known
- D.
  
  First available port on the client system