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A network device that associates a Media Access Control (MAC) address with a port is a:
A network device that associates a Media Access Control (MAC) address with a port is a:A . DSL modemB . HubC . RouterD . SwitchView AnswerAnswer: D Explanation: A switch begins learning the local MAC addresses as soon as it is connected to other devices or to a network. This...
A VPN is a/an:
A VPN is a/an:A . Encrypted connection across the Internet.B . Virtual network within your local area network (LAN).C . Communication tunnel between VLANs.D . Personal network for your use only.View AnswerAnswer: A Explanation: VPN is a network that is constructed by using public wires ― usually the Internet ―...
If an 802.llg Internet connection has connectivity problems, what may be the cause?
If an 802.llg Internet connection has connectivity problems, what may be the cause?A . A cordless phoneB . A cellular phoneC . Incandescent lightsD . Electromagnetic interference (EMI)View AnswerAnswer: D Explanation: Over the last 10 years 802.11 technology has made remarkable strides -- getting faster, stronger and more scalable. But...
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 . EthernetB . IntranetC . ExtranetD . PerimeterView AnswerAnswer: C Explanation: An extranet is a computer network that allows controlled access from outside of an organization's intranet. Extranets are used for specific use...
You are an administrative assistant for Fabrikam, Inc.’s Field Service division. You are preparing the monthly newsletter to be sent out to field service engineers
SIMULATION Project 3 of 7: Service Overview You are an administrative assistant for Fabrikam, Inc.’s Field Service division. You are preparing the monthly newsletter to be sent out to field service engineers. Remember that mileage reimbursement claims must be submitted by the 15th of each month. Save the mileage form...
Connecting to a private network address from a public network requires:
Connecting to a private network address from a public network requires:A . Network address translation (NAT).B . Dynamic Host Configuration Protocol (DHCP).C . Network Access Protection (NAP).D . Dynamic domain name system (DDNS).View AnswerAnswer: A Explanation: The majority of NATs map multiple private hosts to one publicly exposed IP address....
The maximum throughput of an 802.llg network is:
The maximum throughput of an 802.llg network is:A . 2.4 GHz.B . 54 GHz.C . 2.4 MbpsD . 54 Mbps.View AnswerAnswer: D Explanation: The 802.11g standard for wireless networking supports a maximum bandwidth of 54 Mbps.
What is the default subnet mask for a Class C Internet network?
What is the default subnet mask for a Class C Internet network?A . 255.255.255.252B . 255.255.255.240C . 255.255.255.192D . 255.255.255.0View AnswerAnswer: D Explanation: Class A default subnet mask is 255.0.0.0. Class B default subnet mask is 255.255.0.0. Class C default subnet mask is 255.255.255.0.
The topology of a local area network (LAN) is defined by the:
The topology of a local area network (LAN) is defined by the:A . Number of devices to connect.B . Physical and logical characteristics.C . Distance between workstations.D . Type of cable being used.View AnswerAnswer: B Explanation: Network topology is the arrangement of the various elements (links, nodes, etc.) of a...
The command-line tool used to list a host's active incoming connections is:
The command-line tool used to list a host's active incoming connections is:A . NETSTATB . IPCONFIGC . NSLOOKUPD . PINGView AnswerAnswer: A Explanation: Used without parameters, netstat displays active TCP connections. Note: Netstat displays active TCP connections, ports on which the computer is listening, Ethernet statistics, the IP routing table,...
