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