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
Which one of the following options is a valid field in the UDP header?
A. window size
B. options
C. checksum
D. reserved
At which layer of the OSI model does UDP operate?
A. Layer 2
B. Layer 4
C. Layer 1
D. Layer 5
Which two of the following are UDP applications? (Choose two.)
A. SMTP
B. TFTP
C. FTP
D. SNMP
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
Which one of the following options describes the three steps in the TCP three-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
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
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
Which three of the following are TCP applications? (Choose three.)
A. Telnet
B. SSH
C. ARP
D. FTP
E. NTP
In a TCP header, which field identifies the number of bytes that the device is willing to accept?
A. TTL field
B. Window field
C. TOS field
D. Source IP address field
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