A service that resolves NetBIOS names to IP addresses is:

A service that resolves NetBIOS names to IP addresses is: A. Domain Name Service (DNS). B. Internet Service Provider (ISP). C. Address Resolution Protocol (ARP). D. Windows Internet Name Service (WINS). Explanation: Windows Internet Name Service (WINS) is Microsoft’s implementation of NetBIOS Name Service (NBNS), a name server and service for NetBIOS computernames. Effectively, WINS […]

Read More

What type of DNS record maps host names to addresses?

What type of DNS record maps host names to addresses? A. Mail Exchanger (MX) DNS record B. Service (SRV) DNS record C. Host (A) DNS record D. Canonical (CNAME) DNS record Explanation: An A or Address record (also known as a host record) links a domain to the physical IP address of a computer hosting […]

Read More

Teredo tunneling is a protocol that:

Teredo tunneling is a protocol that: A. Translates Internet Protocol version 4 (IPv4) to Internet Protocol version 6 (IPv6). B. Allows IPv6 connectivity through IPv4 devices. C. Provides VPN security. D. Dynamically allocates IPv6 addresses. Explanation: Teredo alleviates this problem by encapsulating IPv6 packets within UDP/IPv4 datagrams, which most NATs can forward properly. Thus, IPv6-aware […]

Read More

The default port used for telnet is:

The default port used for telnet is: A. 23 B. 25 C. 80 D. 8080 Explanation: The telnet protocol is used to establish a connection to Transmission Control Protocol (TCP) port number 23, where a Telnet server application (telnetd) is listening. Show Answer

Read More

When a client’s DHCP-issued address expires, the client will:

When a client’s DHCP-issued address expires, the client will: A. Select a new address and request approval from the DHCP server. B. Require manual configuration with a static IP address. C. Attempt to obtain a new address by broadcasting. D. Continue to use the address until it is notified to stop. Explanation: Rebinding would occur. […]

Read More

A Media Access Control (MAC) address identifies a/an:

A Media Access Control (MAC) address identifies a/an: A. UPnP device. B. Local broadcast domain. C. Network interface card (NIC). D. Local area network (LAN). Explanation: A media access control address (MAC address) is a unique identifier assigned to network interfaces for communications on the physical network segment. Show Answer

Read More

Which type of network provides the solution?

Two companies want to share data by using the Internet. Which type of network provides the solution? A. Ethernet B. Intranet C. Extranet D. Perimeter Explanation: An extranet is a computer network that allows controlled access from outside of an organization’s intranet. Extranets are used for specific use cases includingbusiness-to-business (B2B). Show Answer

Read More