What is Stop-and-Wait Protocol?

Correct Answer: RIP is a is an interior gateway protocol that was often used in interior networks and in some degree in internet networks It helps the router adapt to the modifications that are made in a network regarding connections Now it become less used since more efficient protocols were implemented like OSPF or IS-IS It is limited to a lower number of routers, a maximum of fifteen router

Correct Answer: DNS servers often must communicate with DNS servers outside of the local network A forwarder is an entry that is used when a DNS server receives DNS queries that it cannot resolve locally It then forwards those requests to external DNS servers for resolution

Correct Answer: A scope is a range, or pool, of IP addresses that can be leased to DHCP clients on a given subnet

Correct Answer: The LMHOSTS file is a static method of resolving NetBIOS names to IP addresses in the same way that the HOSTS file is a static method of resolving domain names into IP addresses An LMHOSTS file is a text file that maps NetBIOS names to IP addresses; it must be manually configured and updated

Correct Answer: With static IP addressing, a computer (or other device) is configured to always use the same IP address With dynamic addressing, the IP address can change periodically and is managed by a centralized network service

Correct Answer: The protocol specifies that frames need to be numbered This is done by using sequence numbers A field is added to the data frame to hold the sequence number of that frame Since we want to minimize the frame size, the smallest range that provides unambiguous communication The sequence numbers can wrap around

Correct Answer: In networking and in other areas, a task is often begun before the previous task has ended This is known as pipelining

Correct Answer: Breaks up broadcast domains in a layer 2 switch internetwork

Explanation:

virtual LAN (VLAN) is any broadcast domain that is partitioned and isolated in a computer network at the data link layer (OSI layer 2). LAN is the abbreviation for local area network and in this context, virtual refers to a physical object recreated and altered by additional logic.

VLANs work by applying tags to network packets and handling these tags in networking systems ? creating the appearance and functionality of network traffic that is physically on a single network but acts as if it is split between separate networks. In this way, VLANs can keep network applications separate despite being connected to the same physical network, and without requiring multiple sets of cabling and networking devices to be deployed.

Correct Answer: IEEE 1284

Correct Answer: Which is assigned one and only one task