Chapter 3 Quiz Computer Networking
Fundamentals Questions and Answers
Which protocol's header would a Layer 4 device read and process? - Answer-TCP
What number does a host use to identify the application involved in a transmission? -
Answer-Port number
What field in a TCP segment is used to determine if an arriving data unit exactly
matches the data unit sent by the source? - Answer-Checksum
At which OSI layer does IP operate? - Answer-Network layer
Which OSI layer is responsible for directing data from one LAN to another? - Answer-
Network layer
What kind of route is created when a network administrator configures a router to use a
specific path between nodes? - Answer-Static route
When a router can't determine a path to a message's destination, where does it send
the message? - Answer-Gateway of last resort
A routing protocol's reliability and priority are rated by what measurement? - Answer-AD
Which routing protocol does an exterior router use to collect data to build its routing
tables? - Answer-BGP
When messages to a remote Web server are being lost for no apparent reason and you
suspect the problem might be a path MTU black hole, which TCP/IP utility can you use
to diagnose the problem? - Answer-ping
What three characteristics distinguish TCP from UDP? - Answer-TCP is connection
oriented, uses sequencing and checksums, and flow control
What process is used to establish a TCP connection? - Answer-3-way Handshake
Which two protocols are essential to IPv4 networks, but whose functions are performed
by ICMPv6 on IPv6 networks? - Answer-IGMP & ARP
What is the difference between dynamic ARP table entries and static ARP table entries?
- Answer-Dynamic ARP entries are entered automatically and Static ARP entries are
entered manually**
Fundamentals Questions and Answers
Which protocol's header would a Layer 4 device read and process? - Answer-TCP
What number does a host use to identify the application involved in a transmission? -
Answer-Port number
What field in a TCP segment is used to determine if an arriving data unit exactly
matches the data unit sent by the source? - Answer-Checksum
At which OSI layer does IP operate? - Answer-Network layer
Which OSI layer is responsible for directing data from one LAN to another? - Answer-
Network layer
What kind of route is created when a network administrator configures a router to use a
specific path between nodes? - Answer-Static route
When a router can't determine a path to a message's destination, where does it send
the message? - Answer-Gateway of last resort
A routing protocol's reliability and priority are rated by what measurement? - Answer-AD
Which routing protocol does an exterior router use to collect data to build its routing
tables? - Answer-BGP
When messages to a remote Web server are being lost for no apparent reason and you
suspect the problem might be a path MTU black hole, which TCP/IP utility can you use
to diagnose the problem? - Answer-ping
What three characteristics distinguish TCP from UDP? - Answer-TCP is connection
oriented, uses sequencing and checksums, and flow control
What process is used to establish a TCP connection? - Answer-3-way Handshake
Which two protocols are essential to IPv4 networks, but whose functions are performed
by ICMPv6 on IPv6 networks? - Answer-IGMP & ARP
What is the difference between dynamic ARP table entries and static ARP table entries?
- Answer-Dynamic ARP entries are entered automatically and Static ARP entries are
entered manually**
