A client creates a packet to send to a server. The client is requesting HTTP service. What number will be used as the destination port number in the sending packet?…
A client creates a packet to send to a server. The client is requesting SSH service. What number will be used as the destination port number in the sending packet?…
Which OSI layer provides the interface between the applications used to communicate and the underlying network over which messages are transmitted? application presentation session transport Answers Explanation & Hints: The…
In what two situations would UDP be better than TCP as the preferred transport protocol? (Choose two.) when applications need to guarantee that a packet arrives intact, in sequence, and…
Which two fields are included in the TCP header but not in the UDP header? (Choose two.) window checksum source port destination port sequence number Answers Explanation & Hints: The…
Which two characteristics are associated with UDP sessions? (Choose two.) Destination devices receive traffic with minimal delay. Transmitted data segments are tracked. Destination devices reassemble messages and pass them to…
A user issues a ping 2001:db8:FACE:39::10 command and receives a response that includes a code of 3. What does this code represent? address unreachable network unreachable host unreachable protocol unreachable…
A user issues a ping 2001:db8:FACE:39::10 command and receives a response that includes a code of 2 . What does this code represent? beyond scope of the source address communication…
A user issues a ping 2001:db8:3040:114::88 command and receives a response that includes a code of 4. What does this code represent? port unreachable host unreachable protocol unreachable network unreachable…
A user issues a ping fe80:65ab:dcc1::100 command and receives a response that includes a code of 4. What does this code represent? port unreachable host unreachable protocol unreachable network unreachable…
A user issues a ping fe80:65ab:dcc1::100 command and receives a response that includes a code of 3. What does this code represent? address unreachable communication with the destination administratively prohibited…
A user executes a traceroute over IPv6. At what point would a router in the path to the destination device drop the packet? when the value of the Hop Limit…
A message is sent to all hosts on a remote network. Which type of message is it? limited broadcast multicast directed broadcast unicast Answers Explanation & Hints: A directed broadcast…
How many bits must be borrowed from the host portion of an address to accommodate a router with five connected networks? two three four five Answers Explanation & Hints: Each…
What process is used to place one message inside another message for transfer from the source to the destination? access control flow control encapsulation decoding Explanation & Hint: Encapsulation is…
Which layer of the OSI model defines services to segment and reassemble data for individual communications between end devices? presentation network transport session application Explanation & Hint: The OSI model…
Which two protocols function at the internet layer? (Choose two.) BOOTP ICMP PPP POP IP Explanation & Hint: ICMP and IP both function at the internet layer, whereas PPP is…
What is the general term that is used to describe a piece of data at any layer of a networking model? segment packet frame protocol data unit Explanation & Hint:…
What is the purpose of protocols in data communications? specifying the bandwidth of the channel or medium for each type of communication providing the rules required for a specific type…
What are two benefits of using a layered network model? (Choose two.) It ensures a device at one layer can function at the next higher layer. It speeds up packet…