Deck 2: TCP-IP

Question 1

If you are subnetting a class B network,what subnet mask will yield 64 subnets?

A) 255.255.252.0
B) 255.255.64.0
C) 255.255.224.0
D) 255.255.192.0

Answer 1

A

Question 2

Which of the following is a reason that UDP is faster than TCP?

A) it doesn't use port numbers
B) it has a higher priority on the network
C) the header is smaller
D) it doesn't guarantee delivery

Answer 2

D

Question 3

Which of the following is the first packet sent in the TCP three-way handshake?

A) RST
B) SYN
C) ACK
D) PSH

Answer 3

B

Question 4

What should you do when configuring DNS servers that are connected to the Internet in order to improve security?

A) disable zone transfers
B) delete the DNS cache
C) disable DNS buffers
D) setup DNS proxy

Question 5

How are the two parts of an IP address determined?

A) network identifier
B) subnet mask
C) host identifier
D) routing table

Question 6

Fragmentation of IP packets is normal and doesn't present any networking problems.

Question 7

What does a sliding window do in a TCP packet?

A) ensures all packets are delivered
B) provides packet security
C) provides flow control
D) ensures transmission reliability

Question 8

How large is the IPv6 address space?

A) 32 bits
B) 128 bits
C) 64 bits
D) 168 bits

Question 9

The IP address 172.20.1.5 is a private IP address.

Question 10

What is the TCP portion of a packet called?

A) frame
B) data
C) segment
D) header

Question 11

Which protocol is responsible for automatic assignment of IP addresses?

A) DNS
B) DHCP
C) FTP
D) SNMP

Question 12

Which of the following is the broadcast address for subnet 192.168.10.32 with subnet mask 255.255.255.240

A) 192.168.10.63
B) 192.168.10.47
C) 192.168.10.23
D) 192.168.10.95

Question 13

In which OSI model layer will you find the OSPF protocol?

A) Application
B) Session
C) Transport
D) Network

Question 14

The Transport layer of the OSI model includes the RIP protocol.

Question 15

Which field in the IP header is an 8-bit value that identifies the maximum amount of time the packet can remain in the network before it is dropped?

A) TTL
B) Fragment Offset
C) ECN
D) Options

Question 16

IPv4 and IPv6 headers are interoperable.

Question 17

Which of the following addresses is a Class B IP address?

A) 126.14.1.7
B) 224.14.9.11
C) 189.77.101.6
D) 211.55.119.7

Question 18

Which of the following is considered a flooded broadcast IP address?

A) 200.15.6.255
B) 10.255.255.255
C) 255.255.255.255
D) FFFF.FFFF.FFFF

Question 19

Which of the following is NOT a reason for subnetting a network?

A) controlling network traffic
B) increasing network security
C) planning for growth
D) making larger groups of computers

Question 20

The TCP protocol uses a three-way handshake to create a connection.

Question 21

The ______________________ is the part of the IP address that is the same among computers in a network segment.

Question 22

MATCHING
a.broadcast
b.datagram
c.fragmentation
d.multicast
e.scopes
f.unicast
g.stateless autoconfiguration
h.network identifier
i.Multicast Listener Discovery
j.Network Address Translation
a communication sent to all hosts on a specific network

Question 23

The _____________ field in an IP header is a 3-bit value indicating whether a datagram is a fragment.

Question 24

MATCHING
a.broadcast
b.datagram
c.fragmentation
d.multicast
e.scopes
f.unicast
g.stateless autoconfiguration
h.network identifier
i.Multicast Listener Discovery
j.Network Address Translation
a feature of IPv6 in which a computer can connect to a network by determining its own IP address based on the addressing of neighboring nodes

Question 25

Which of the following is NOT an advantage of IPv6 versus IPv4?

A) larger address space
B) built-in security
C) supports static configuration
D) NAT is unnecessary

Question 26

DNS operates at the _________________ layer of the OSI model.

Question 27

MATCHING
a.broadcast
b.datagram
c.fragmentation
d.multicast
e.scopes
f.unicast
g.stateless autoconfiguration
h.network identifier
i.Multicast Listener Discovery
j.Network Address Translation
a discrete chunk of information; each datagram contains source and destination addresses,control settings,and data

Question 28

MATCHING
a.broadcast
b.datagram
c.fragmentation
d.multicast
e.scopes
f.unicast
g.stateless autoconfiguration
h.network identifier
i.Multicast Listener Discovery
j.Network Address Translation
enables IPv6 routers to discover multicast listeners on a directly connected link and to decide which multicast addresses are of interest to those nodes

Question 29

MATCHING
a.broadcast
b.datagram
c.fragmentation
d.multicast
e.scopes
f.unicast
g.stateless autoconfiguration
h.network identifier
i.Multicast Listener Discovery
j.Network Address Translation
a process by which internal hosts are assigned private IP addresses and communicate with the Internet using a public address

Question 30

Which of the following is a valid IPv6 address?

A) 5BA4:2391:0:0:4C3E
B) 1080::8:800:200C:417A
C) 24::5B1A::346C
D) 5510:ABCD::34:1::2

Question 31

Which of the following is the IPv6 loopback address?

A) 000:000::
B) 1000:127:0:0:1
C) ::1
D) ::FFFF

Question 32

MATCHING
a.broadcast
b.datagram
c.fragmentation
d.multicast
e.scopes
f.unicast
g.stateless autoconfiguration
h.network identifier
i.Multicast Listener Discovery
j.Network Address Translation
the part of an IP address that a computer has in common with other computers in its subnet

Question 33

The ____________ command shows current sessions with associated port numbers.

Question 34

MATCHING
a.broadcast
b.datagram
c.fragmentation
d.multicast
e.scopes
f.unicast
g.stateless autoconfiguration
h.network identifier
i.Multicast Listener Discovery
j.Network Address Translation
the division of packets into smaller sizes to accommodate routers with frame size limitations

Question 35

Which IPv6 header field is known as the priority field?

A) Version
B) Flow Label
C) Hop Limit
D) Traffic Class

Question 36

MATCHING
a.broadcast
b.datagram
c.fragmentation
d.multicast
e.scopes
f.unicast
g.stateless autoconfiguration
h.network identifier
i.Multicast Listener Discovery
j.Network Address Translation
a transmission used for one-to-many communication,in which a single host can send packets to a group of recipients

Question 37

MATCHING
a.broadcast
b.datagram
c.fragmentation
d.multicast
e.scopes
f.unicast
g.stateless autoconfiguration
h.network identifier
i.Multicast Listener Discovery
j.Network Address Translation
unicast addresses used in IPv6 to identify the application suitable for the address

Question 38

What feature in ICMPv6 replaces ARP in IPv4?

A) Multicast Listener Discovery
B) Neighbor Discovery
C) Echo Request
D) Authentication Header

Question 39

MATCHING
a.broadcast
b.datagram
c.fragmentation
d.multicast
e.scopes
f.unicast
g.stateless autoconfiguration
h.network identifier
i.Multicast Listener Discovery
j.Network Address Translation
a transmission in which one packet is sent from a server to each client that requests a file or application

Question 40

________________ IPv6 addresses are used for one-to-one or one-to-many communication.

Question 41

What is CIDR? Give an example.

Question 42

Discuss two drawbacks of IPv4 and how IPv6 addresses those drawbacks.

Question 43

Describe the three-way handshake.

Question 44

List the seven layers of the OSI model.

Question 45

List the three classes of IP address that can be assigned to network devices and their corresponding first octet range of values.

Question 46

Describe the TTL field in an IP packet header.

Question 47

List three reasons an administrator would want to use subnetting.

Question 48

Briefly describe Network Address Translation and how it makes a network more secure.

Question 49

Discuss variable length subnet masking.

Question 50

What are the three private IP address ranges and their associated subnet masks?