chapter 5
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 IEEE standard is used for PoE?
802.3af
Which device provides wireless connectivity to users as its primary function?
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
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 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
What is a characteristic of a WAN?
It connects multiple networks that are geographically separated.
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
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 network device allows administrators to remotely manage many devices through one dashboard interface?
cloud-based network controller
Which type of server would support the SMTP, POP, and IMAP protocols?
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 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 device acts as a termination point for cable runs and keeps cables secure and safely out of walkways?
patch panel
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
