Q$1.$ In a DHT $($distributed hash table$)-$based network, assume m $=5.$ If the hash of the node identifier is $38,$ where is the location of the node in the DHT space?

A$.31$

B$.0$

C$.6$

D$.7$

Q$2.$ The socket interface is a set of instructions that provide communication between $\_\_\_\_\_\_\_\_$ and $\_\_\_\_\_\_\_\_.$

A$.$ transport layer, network layer

B$.$ application layer, network layer

C$.$ transport layer, operating system

D$.$ application layer, operating system

Q$3.$ In the DHT$,$ an object is normally related to the pair $($key$,$ value$),$ in which the key is the hash of the object name, and the value is the object or a reference to the object.

A$.$ True

B$.$ False

Q$4.$ In the direct strategy, the object is stored in a peer that owns the object, but a reference is stored in a peer whose ID is somehow closest to the object ID$.$

A$.$ True

B$.$ False

Q$5.$ The components of URLs include

A$.$ port

B$.$ host

C$.$ protocol

D$.$ path

Q$6.$ DHT is used in applications including

A$.$ Content distributed systems $($CDS$)$

B$.$ Distributed data structures $($DDS$)$

C$.$ Domain Name System $($DNS$)$

D$.$ P$2$P file sharing

Q$7.$ In iterative TCP communication, $\_\_\_\_\_\_\_\_\_\_$ can only be used the connection establishment phase.

A$.$ client socket

B$.$ Socket

C$.$ server socket

D$.$ listen socket

Q$8.$ The uniform resource locator $($URL$)$ uses $\_\_\_\_\_\_\_$ different separators.

A$.1$

B$.3$

C$.4$

D$.2$

Q$9.$ In a centralized P$2$P network, the directory system uses the client$-$server paradigm, but storing and downloading of the files are done using peer$-$to$-$peer paradigm.

A$.$ True

B$.$ False

Q$10.$ The proxy server is normally located at the client site.

A$.$ True

B$.$ False