ITF - Chapter 9 Quiz

What is a Wide Area Network (WAN)?

• A network that connects sites in different geographic locations

• A network in a single location

• A company that specializes in providing Internet access

• A company that operates the national telephone networks

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

• URL

• IP address

• MAC address

• Domain Name System (DNS)

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

• A Media Access Control (MAC) address

• IP address

• DNS

• URL

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

• Internet Protocol (IP)

• Address Resolution Protocol (ARP)

• Internet Control Message Protocol (ICMP)

• Transmission Control Protocol (TCP)

What are the key features of a packet switching network?

• A packet sent down the network can switch its destination mid-stream.

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

• Packets can be switched from a TCP/IP protocol to another available protocol to increase the transmission speed.

• A packet switching network opens a direct channel on which to transmit the packet, so a break in the channel stops the transmission.

What is a packet made up of?

• A packet is the destination address of a unit of data being transmitted over the network.

• A packet is the data inside the wrapper used for each data unit transmitted over the network.

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

• A packet consists of a payload wrapped around a header section.

Which part of a friendly URL is managed by the DNS and is dependent on a name resolution service? 

• File path

• Protocol type

• Top level domain

• IP address

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

• Either Internet Message Access Protocol (IMAP) or Simple Mail Transfer Protocol (SMTP)

• Either Post Office Protocol (POP) or Mail Exchanger (MX)

• Either Mail Exchanger (MX) or Internet Message Access Protocol (IMAP)

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

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

• A hub

• A switch

• A router

• A Network Interface Card (NIC)

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.

• HTTP serves web pages on the extranet, whereas HTTPS serves web pages on the intranet.

• HTTP does not require DNS to resolve a web address to an IP address, whereas HTTPS does.

• HTTP can serve HTML web pages, whereas HTTPS can serve HTML web pages, as well as XML pages displayed as HTML.