.
In any order, after possibly having traversed different routes.
In the order A-B, after having traversed the same route.
In any order, after having traversed the same route.
In the order A-B, after possibly having traversed different routes
It consisted of many interconnected networks.
It was an interim (temporary) design of what it later became, but the name stuck.
It was meant to be a network internal to the United States Department of Defense.
It achieved international scope with the addition of the City University of London.
Packet or message switched networks.
Broadcast networks
Connection-based networks
Connectionless networks
True
False
True
False
Loss-tolerant and time sensitive
Loss-intolerant and time sensitive
Loss-intolerant and time insensitive
None of the above
To transfer messages from one mail server to another
To transfer messages from mail server to a user agent
To define the format of message headers
All of the above
Value is the hostname of the DNS server that is authoritative for Name.
Value is the IP address of the mail server that has the alias hostname Name.
Value is the hostname of the mail server that has the alias hostname Name.
None of the above
The destination port number
The source port number
The source IP address
All of the above
Large distance between source and destination and the transmission rate is high
Large distance between source and destination and the transmission rate is low
Short distance between source and destination and the transmission rate is high
Short distance between source and destination and the transmission rate is low
All of the above
Transmitting many packets before receiving acknowledgements
Unique sequence numbers for each in-transit packet
Sender-side buffering of unacknowledged packets
404 Not Found
200 OK
304 Not Modified
None of the above
UDPserver
TCPserver
UDPclient
TCPclient
Among the chunks that a peer does not have, the peer will request chunks that appear to be relatively rare in the torrent.
At a given instant of time, a peer A may upload to a peer B, even if peer B is not sending anything to A.
Although a peer may have 50 concurrent TCP connections with other peers, at any given instant of time it sends data to less than 10 other peers.
All of the above.
It estimates unusually large RTTs
It receives three ACKs for an earlier segment
The segment's timer expires
none of the above
Measure throughput between hosts
Measure round-trip times between hosts.
Decipher encrypted traffic
Do port scans over a range of ports at a target host.
It discards the frame without sending an error message to the network layer
It sends a NACK (not acknowledged frame) to the sending host
It delivers the frame to the network layer, and lets the network layer decide what to do
It discards the frame and sends an error message to the network layer
Both the AP's MAC address and SSID.
The AP's SSID.
The AP's MAC address.
None of the above
The adapter would still not be able to detect all collisions due to hidden terminals.
It is costly to build wireless hardware that detects collisions.
Collision detection was found to be useless in wired Ethernet.
All of the above
At a given time, the random backoff values of the two stations are the same
The packets are sent to different Aps but on the same channel
The two stations could be hidden from each other
All of the above
Four address fields.
A sequence number field.
An acknowledgement field.
All of the above
The SNMP protocol is a tool for gathering data about network conditions and executing remote actions at remote managed devices
The SNMP protocol specified the action …
The SNMP protocol is used by the network …
To allow a managing entity to query the value of a set of MIB object values in a managed device
To allow a managing entity to set the values of one or more MIB objects in a managed device
To allow a managed device to request and receive a set of initial values for MIB objects in the managed device.
To display data in a format specified by a user.
None of the above
To allow a client to inform a server that it (the client) is present and ready to receive dat
To encode, transmit, and translate data from one machine-specific format to another
Frames
Datagrams
Packets
Segment
Message