module 4

Which protocol allows people to use names/labels, rather than numeric addresses, to address network resources?

Domain Name System (DNS)

How can a smartphone join a Wi-Fi network if the SSID is not being broadcast?

Enter the network name manually, as with a computer.

You log into a SOHO router and review current settings to prepare it for use. Which of the following items is NOT needed to configure a wireless connection on the router?

IP address

Which admin tool or screen would you use to configure a Windows computer to join a domain?

The System applet in Control Panel

What is the difference between a modem and a router?

The modem transmits frames across the WAN link while the router forwards packets between the local network and the Internet.

Which of the following parts of a friendly URL is dependent on a name resolution service?

Top level domain

You are using a computer in an Internet cafe. What should you do at the end of the session?

Clear the browser cache.

What is the difference between HTTP and HTTPS protocols?

HTTPS serves SSL (Secure Sockets Layer) secured HTML web pages, whereas HTTP serves unsecured web pages.

What is the latest Wi-Fi standard and which frequency band(s) does it use?

IEEE 802.11ac works in the 5 GHz band.

What is a Wide Area Network (WAN)?

A network that connects sites in different geographic locations

What is a packet made up of?

A packet consists of a number of fields contained within a header section plus a payload.

What device is used to connect computers together in an Ethernet network?

A switch

What type of address identifies a network interface in the context of the local network segment only?

A Media Access Control (MAC) address

You want to use a website that hosts training modules in a custom media format. What type of add-on would you need to install to play this media?

A Plug-in

What type of device is used to transfer packets between different networks?

A router

Which protocol would be best used to provide encrypted file downloads directly from a web server?

HTTPS

What protocol is usually used to provide logical addressing on networks?

Internet Protocol (IP)

Which of the following is NOT a medium used for Internet access?

Internet Service Provider (ISP)

What is the purpose of an accelerometer, as fitted in a mobile device?

It is one of the components that detects how the user is moving the device around.

Select the one UNTRUE statement in regard to cookies.

It's not legal for a web site to store cookies on your computer.

What does attenuation mean?

Loss of strength of a signal

What are the key features of a packet switching network?

Nodes within the network can perform a forwarding function, allowing a packet to utilize any available path through the network.

What type of gesture is typically used for zooming on a touchscreen?

Pinch

Select the one UNTRUE statement in regard to browser pop-up windows.

Pop-up windows are always a sign of viruses.

Which feature allows data to be removed from a device if it is lost or stolen?

Remote wipe

You have made a backup of system data using a removable hard disk. Time and security are of great importance. What should you do next?

Store the disk in a secure, off-site location.

You want to restrict access to a computer on your network to a single internet host running a particular application. What two things do you need to configure in your firewall's access control list?

The IP address of the host and the port number of the application

What identifies a website as using the secure HTTPS protocol with a valid certificate?

The URL shows the "https://" protocol and the browser shows a padlock icon.

You have installed a screensaver application. Later, after updating your anti-virus software, a malicious program is found. This appears to have infected your system at the same time as the screensaver was installed. What class of malware is this?

Trojan Horse

What type of connection would a NAS device NOT be able to use?

Twisted pair (RJ-11)

What is the result of putting a phone in "airplane mode?"

Wireless features are disabled.

What does a hard disk connected to a computer via a USB port describe?

Direct attached storage

Which email protocol(s) are used to download messages from a mail server?

Either Post Office Protocol (POP) or Internet Message Access Protocol (IMAP)

If you use an open network, what email configuration setting should you configure?

Enable Secure Sockets Layer/Transport Layer Security (SSL/TLS) encryption to protect the account password

What can you do to reduce the risk of using a free Wi-Fi network to place an order from an online shop?

Ensure that the online store uses a secure (HTTPS) connection.

How could you access a network folder called DATA on a network server called TOWER1 using the Explorer address bar?

Enter the Universal Naming Convention (UNC) path.

When a client connects to a folder on a network server via a drive letter, what is the drive called?

A mapped drive

Which version or edition of Windows can be used to share files with other users?

Any version or edition