Which smart home wireless technology has an open standard that allows up to 232 devices to be connected? 802.11ac 802.11n Z-Wave Zigbee Explanation: Z-Wave is used with smart homes to…
Which network device would be the most appropriate to provide stateful packet filtering, email filtering, and VPN services? router endpoint management server proxy server UTM TPM Explanation: A universal threat…
Which type of server would be used to keep a historical record of messages from monitored network devices? DHCP DNS print authentication syslog Explanation: A syslog server is used as…
Which well-known port number is used by the DHCP (client) protocol? 67 68 20 80 53 Explanation: DHCP is a very important protocol that is used to provide IP addressing…
A user needs to access the Internet from home. Which device is needed if a user connects to an ISP through the telephone network? switch server DSL modem wireless access…
Which type of connection to the Internet is capable of the fastest transfer rates? ISDN POTS satellite cable fiber Explanation: Refer to the chapter graphics to see the various connectivity…
Which device provides wireless connectivity to users as its primary function? switch router access point modem Explanation: A switch connects multiple devices to a network. A router will forward traffic…
Which pairs of wires change termination order between the 568A and 568B standards? green and orange green and brown blue and brown brown and orange Explanation: The difference between the…
What is the correct order of the layers of the TCP/IP model from the top layer to the bottom? application, session, network, data link, physical application, internet, network access, transport…
What is a characteristic of a WAN? It connects multiple networks that are geographically separated. It spans across a campus or city to enable sharing of regional resources. It is…
What is a common function of a proxy server? to store frequently accessed web pages on the internal network to control who is permitted to access the internal network to…
How many devices can a Bluetooth device connect to simultaneously? 127 7 10 24 5 Explanation: Bluetooth is a short range wireless technology that is used for personal area network…
A network specialist has been hired to install a network in a company that assembles airplane engines. Because of the nature of the business, the area is highly affected by…
Which technology is most often used to connect devices to a PAN? coaxial cabling Bluetooth fiber optic cabling IEEE 802.11n wireless Explanation: A personal-area network (PAN) connects wireless devices that…
When would a printer be considered a network host? when it is connected to a switch when it is connected to a workstation when it is connected to a laptop…
Which two types of signal interference are reduced more by STP than by UTP? (Choose two.) RFI white noise MDF dispersion EMI Explanation: RFI, EMI, and crosstalk cause interference to…
Which two devices are commonly powered by PoE? (Choose two.) access point core switch IP phone modular switch router Explanation: Compact switches, APs, and IP phones can be powered by…
A customer is considering a multipurpose device to create a home network. Which three devices are usually integrated into a multipurpose network device? (Choose three.) web server switch router email…
What characteristic best describes a KVM switch? a device that allows the use of one set of keyboard, mouse, and monitor to control multiple computers an input device often used…
A user is building a new computer system. Why would the user select external screws? to install a power supply into a PC tower case to attach an external HD…