Chapter 5 Exam
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
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 two devices are commonly powered by PoE?
IP phone access point
Which type of connection to the Internet is capable of the fastest transfer rates?
fiber
What is a feature of a dial-up connection?
the use of an analog modem to transmit data over voice telephone lines
When would a printer be considered a network host?
when it is connected to a switch
Which technology is most often used to connect devices to a PAN?
Bluetooth
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
A client packet is received by a server. The packet has a destination port number of 21. What service application is the client requesting?
FTP
A technician is searching through a storage locker and finds a wireless NIC. What is the purpose of this device?
It is needed to connect a computer or smart device to an 802.11 network.
A technician is searching through a storage locker and finds a firewall. What is the purpose of this device?
It is placed between two or more networks and protects data and equipment from unauthorized access.
A client packet is received by a server. The packet has a destination port number of 137. What service application is the client requesting?
NetBIOS (NetBT)
Which two types of signal interference are reduced more by STP than by UTP?
RFI EMI
What type of connector is used to connect an analog modem to a telephone line socket?
RJ-11
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.
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
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 type of server would support the SMTP, POP, and IMAP protocols?
Which pairs of wires change termination order between the 568A and 568B standards?
green and orange
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
Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame?
switch
A customer is considering a multipurpose device to create a home network. Which three devices are usually integrated into a multipurpose network device?
switch router wireless access point
