IT Ch.5 and 6 Cert Checkpoint Test

A computer is assigned an IP address of 169.254.33.16. What can be said about the computer, based on the assigned address?

• It cannot communicate outside its own network.

• It can communicate on the local network as well as on the Internet.

• It can communicate with networks inside a particular company with subnets.

• It has a public IP address that has been translated to a private IP address.

A technician needs to add a new wireless device to a small WLAN. The WLAN is a mixture of old and newer 802.11b and 802.11g devices. What choice for the new device would provide the most interoperability for present and future growth?

• Add a new 802.11a device.

• Add a new 802.11b device.

• Add a new 802.11g device.

• Add a new 802.11n device.

The current IP configuration of a small company is done manually and is time-consuming. Because of increased network growth, a technician needs a simpler way for IP configuration of workstations. Which service would simplify the workstation IP configuration task?

• APIPA

• DHCP

• DIPS

• ICMP

A computer can access devices on the same network but cannot access devices on other networks. What is the probable cause of this problem?

• The cable is not connected properly to the NIC.

• The computer has an invalid IP address.

• The computer has an incorrect subnet mask.

• The computer has an invalid default gateway address.

What physical layer medium is used by DSL to provide high-speed data communications?

• telephone lines

• television cable

• Satellite dish

• 4G wireless radio

A user is setting up a home wireless network. Which type of device must the user have in order to establish the wireless network and provide access to the internet for multiple home devices?

• hub

• wireless router

• switch

• patch panel

A network technician is setting up a web server for a small company. The company has obtained a domain name, company-a.com, from a domain registry service. The new web server is accessible through the IP address matching the domain. However, when the technician types company-a.com in the web browser, an error message displays saying that "The connection has timed out". What is the problem?

• The DHCP server is down.

• The domain name resolution failed.

• The URL needs to be http://company-a.com.

• A web page named home.html is required to be created first.

A network technician is setting up a web server for a small company. The company has obtained a domain name companyX.com from a domain registry service. The web server must provide secure communication through SSL/TLS technology. When the technician enters companyX.com in the web browser, the unsecured part of the website is displayed. What should the technician do to make the web browser display the secure content of the web server?

• Use https://companyX.com as the URL.

• Use http://companyX.com as the URL.

• Use http://companyX.com::443 as the URL.

• Ensure that the domain name is successfully resolved.

A small company is upgrading its phone system with IP phones. These phones can be used just by plugging into a network port in the offices. Which technology would support the IP phones?

• wireless power transfer

• Power over Ethernet

• NFC

• UPnP

A network technician is setting up a wireless access point in the front office of a small company. The technician needs to disable an option on the access point that would allow devices to dynamically add themselves to the network without configuration. Which technology should the technician disable?

• NAT

• UPnP

• MAC filtering

• port forwarding