Chapter 4 Review

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

What process is used to establish a TCP connection?

Three-way handshake

IP is an unreliable, connectionless protocol, as it does not establish a session to send its packets. True or False

True

Which Linux utility provides output similar to Wireshark's?

tcpdump

Which routing protocol does an exterior router use to collect data to build its routing tables?

BGP

When a router can't determine a path to a message's destination, where does it send the message?

Gateway of last resort

What three routing metrics used by routers to determine the best of various available routing paths?

Hop count Theoretical bandwidth Path latency (or delay)

At which OSI layer does IP operate?

Network layer (layer 3)

Which OSI layer is responsible for directing data from one LAN to another?

Network layer (layer 3)

Three IGP's (interior gateway protocols)

RIPv2 OSPF EIGRP

What kind of route is created when a network administrator configures a router to use a specific path between nodes?

Static route

What three characteristics about TCP distinguish it from UDP?

TCP is connection -oriented Uses sequencing and checksums Provides flow control

What field in a TCP segment is used to determine if an arriving data unit exactly matches the data unit sent by the source?

Checksum

What four functions do all routers perform?

Connect dissimilar networks Interpret layers 3 and 4 addressing and other info Determine the best path for data to follow Reroute traffic if a primary path is down but another path is available.

What is the difference between dynamic ARP table entries and static ARO table entries?

Dynamic ARP table entries are created when a client makes an ARP request, whereas static ARP table entries are entered manually using the ARP utility.

In a TCP segment, what field indicates how many bytes the sender can issue to a receiver before acknowledgment is received?

sliding-window

What two fields in an ethernet frame help synchronize device communications but are not counted toward the frame's size?

Preamble SFD

Which protocol is supported by ICMPv6 to facilitate neighbor discovery on an IPv6 network?

Neighbor Discovery Protocol

What is the Internet standard MTU?

1500 bytes

IPv4 and IPv6 use the same packet format. True or False?

False

Routing information Protocol (RIP) is an interior gateway protocol that uses a link-state algorithm. True or False?

False

Which two protocols manage neighbor discovery processes on IPv4 networks?

ICMP and ARP

What database does a router consult before determining the most efficient path for delivering a message?

Routing table

Impersonating a MAC address is known as MAC_______________.

Spoofing

What protocol's header would a Layer 4 (Transport layer) device read and process?

TCP


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