Computer Networking
The synchronous modems are more costly than the asynchronous modems because

they produce large volume of data
they transmit the data with stop and start bits.
None of these
they operate with a larger bandwidth
they contain clock recovery circuits

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
Error rate is

a code in which each expression conforms to specific rules of construction, so that if certain errors occur in an expression, the resulting expression will not conform to the rules of construction and
an error-detecting code based on a summation operation performed on the bits to be checked.
None of these
a check bit appended to an array of binary digits to make the sum of all the binary digits.
the ratio of the number of data units in error to the total number of data units

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
Two connected routers are configured with RIP routing. What will be the result when a router receives a routing update that contains a higher-cost path to a network already in its routing table?

The existing routing table entry will be deleted from the routing table and all routers will exchange routing updates to reach convergence.
The updated information will replace the existing routing table entry.
They will all load-balance.
The update will be ignored and no further action will occur.
The updated information will be added to the existing routing table.

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Computer Networking