The Internet

At what TCP/IP layer does IPv6 function?

• Network

• Applications

• Data link

• Transport

Which of the following is NOT a valid iPv4 address?

• 192.168.0.1

• 10.0.0.2

• 172.13.155.2

• 168.256.127.1

Which of the following is NOT an advantage offered by IPv6 over IPv4?

• Better security

• Smaller header

• More efficent

• Faster transmsision

Which part of a URL identifies the protocol used?

• Domain

• Top-level domain

• Scheme

• Filename

If your computer doesn't know the IP address for a new website you to visit, which device does it ask first for the information?

• Web server

• Top-level DNS server

• The website's DNS server

• Local DNS server

Which technology can ensure no two devices on the same network have the same IP address?

• DHCP

• DNS

• URL

• NAT

What information in the TCP header allows multiple, simultaneous converstions over a single connection?

• IP address

• MAC address

• Port number

• Traffic priority value

What is the best transport layer protocal to support Netflix traffic on a network?

• UDP

• IP

• ARP

• TCP

What header field enables tracer's trial-and-error process?

• ICMP's Type field

• IP's TTL field

• ICMP's Code field

• TCP's Sliding-window size field

Which proctol allows non-ASCH characters in email?

• MUA

• SMTP

• IMAP

• MIME