IT Essentials Checkpoint #2 Exam V8

What can be said about a computer with an IP address of 169.254.33.16?

• 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.

What choice for a new wireless device would provide the most interoperability for present and future growth in a WLAN that is a mixture of old and newer 802.11b and 802.11g devices?

• Add a new 802.11a device.

• Add a new 802.11b device.

• Add a new 802.11g device.

• Add a new 802.11n device.

Which service would simplify the workstation IP configuration task in a small company with manual IP configuration?

• APIPA

• DHCP

• DIPS

• ICMP

What is the probable cause of a computer being able to access devices on the same network but not on other networks?

• 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

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

• hub

• wireless router

• switch

• patch panel

What is the problem if a web browser displays an error message saying 'The connection has timed out' when trying to access a web server through the domain name?

• 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.

What should a technician do to make a web browser display the secure content of a web server that provides secure communication through SSL/TLS technology?

• 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.

Which technology would support IP phones that can be used just by plugging into a network port in the offices?

• wireless power transfer

• Power over Ethernet

• NFC

• UPnP

Which technology should a technician disable on a wireless access point in order to prevent devices from dynamically adding themselves to the network without configuration?

• NAT

• UPnP

• MAC filtering

• port forwarding