Chapter 5 2.0
Which two devices are commonly powered by PoE? (Choose two.)
-Access point -IP phone
Which two types of signal interference are reduced more by STP than by UTP? (Choose two.)
-RFI -EMI
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.)
-Switch -Router -Wireless access point
Which well-known port number is used by the DHCP (client) protocol?
68
How many devices can a Bluetooth device connect to simultaneously?
7
Which IEEE standard operates at wireless frequencies in both the 5 GHz and 2.4 GHz ranges?
802.11n
Which type of connection to the Internet is capable of the fastest transfer rates?
Fiber
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 electromagnetic interference. Which type of network media should be recommended so that the data communication will not be affected by EMI?
Fiber optic
Which pairs of wires change termination order between the 568A and 568B standards?
Green and Orange
Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame?
Switch
Which type of server would be used to keep a historical record of messages from monitored network devices?
Syslog
What is a common function of a proxy server?
to store frequently accessed web pages on the internal network
When would a printer be considered a network host?
when it is connected to a switch
Which device provides wireless connectivity to users as its primary function?
Access point
What is the correct order of the layers of the TCP/IP model from the top layer to the bottom?
Application, Transport, Internet, Network access
Which technology is most often used to connect devices to a PAN?
Bluetooth
Which network device allows administrators to remotely manage many devices through one dashboard interface?
Cloud-based network controller
A client packet is received by a server. The packet has a destination port number of 53. What service application is the client requesting?
DNS
A user needs to access the Internet from home. Which device is needed if a user connects to an ISP through the telephone network?
DSL modem
Which type of server would support the SMTP, POP, and IMAP protocols?
What is a characteristic of a WAN?
It connects multiple networks that are geographically separated.
A technician is searching through a storage locker and finds a patch panel. What is the purpose of this device?
It provides a wired or wireless connection between end devices, switches, and routers and in some cases, can regenerate weak signals.
Which internet connection type is an always-on service that uses radio signals sent from a tower to a receiver in a home or business?
Line of sight wireless
A technician with a PC is using multiple applications while connected to the Internet. How is the PC able to keep track of the data flow between multiple application sessions and have each application receive the correct packet flows?
The data flow is being tracked based on the source port number that is used by each application.
What is a feature of a dial-up connection?
The use of different frequencies to carry voice and data signals on the copper telephone wire
Which network device would be the most appropriate to provide stateful packet filtering, email filtering, and VPN services?
UTM
Which smart home wireless technology has an open standard that allows up to 232 devices to be connected?
Z-Wave
