Deck 6: Tcp/Ip Past, Present, and Future

Question 1

A master DNS server is the DNS server that is the main administrative server for a zone and thus is also called the authoritative server for that zone.

Answer 1

False

Question 2

IP can convert packets from one size to another for dissimilar networks.

Answer 2

True

Question 3

A(n)namespace is a partition in a DNS server that contains specific kinds of records in a lookup table.

Answer 3

False

Question 4

Telnet is an application protocol within TCP/IP that provides support for terminal emulation.

Question 5

A Windows 2000 Server can be configured to operate as a Telnet server, so that information on it can be accessed from any computer using Telnet.

Question 6

A(n)universal packet is one that is sent to all nodes on a network.

Question 7

IP was originally designed for point-to-point communications between computers on the same network.

Question 8

The DNS dynamic update protocol enables information in a DNS server to be automatically updated.

Question 9

A(n)pointer resource record is the first record in a DNS zone and indicates if a server is authoritative for the current zone.

Question 10

An important advantage of SNMP is that it operates independently on the network, which means that it does not depend on a two-way connection at the protocol level with other network entities.

Question 11

The information in the window portion of a TCP frame works in conjunction with flow control.

Question 12

The figure above is an example of a(n)TCP frame .

Question 13

The purpose of IPv6 is to provide a logical growth path from IPv4 so that applications and network devices can handle new demands as they arise.

Question 14

With TCP, the sequence number shows the frame sequence in a stream of frames, but does not indicate the amount of data in the frame.

Question 15

The extension header(s)must appear in the packet before the IPv6 main header.

Question 16

RMON is a monitoring standard that uses remote network nodes, such as workstations or network devices, to perform network monitoring.

Question 17

Delay is the time it takes for networked information to travel from the transmitting device to the receiving device.

Question 18

IP is a connectionless protocol.

Question 19

FTP enables a packet to reach different subnetworks on a LAN and different networks on a WAN.

Question 20

IPv6 addressing enables one IP identifier to be associated with several different interfaces, so it can better handle multimedia traffic.

Question 21

An IP header is a minimum of ____ in length.

A)32 bits
B)20 bytes
C)8 bytes
D)40 bytes

Question 22

____ is not a file transfer protocol supported by TCP/IP.

A)FTP
B)TFTP
C)IP
D)NFS

Question 23

____ networks can implement TCP/IP.

A)Novell NetWare
B)UNIX
C)Windows-based
D)All of the above.

Question 24

A TCP header is a minimum of ____ in length.

A)32 bits
B)20 bytes
C)8 bytes
D)16 bytes

Question 25

The T in TCP stands for ____.

A)Transmission
B)Telnet
C)Transfer
D)Terminal

Question 26

The ____ header has a TOS (type of service)field which indicates the precedence or priority given to the packet contents.

A)UDP
B)IP
C)TCP
D)Both B and C.

Question 27

Which is not true about the sequence number in a TCP header?

A)It enables TCP to ensure that all frames are received.
B)It is used to identify duplicate frames.
C)It is used to place frames back in the correct order when they arrive through different network routes or channels.
D)None of the above.

Question 28

TCP port ____ is used for Telnet applications.

A)21
B)23
C)53
D)25

Question 29

TCP port ____ is used for FTP commands.

A)21
B)23
C)20
D)25

Question 30

Each frame in a transmission is assigned a ____-bit sequential number.

A)8
B)16
C)32
D)64

Question 31

IP version ____ is used on most networks.

A)3
B)4
C)5
D)6

Question 32

____ is the file transfer option preferred by Internet users.

A)FTP
B)TFTP
C)IP
D)NFS

Question 33

Which type of network uses transport options that are not compatible with TCP/IP?

A)FDDI
B)X.25
C)Token Ring
D)None of the above.

Question 34

Although not OSI compliant, IP works at the equivalent of the ____ layer of the OSI reference model.

A)Transport
B)Data Link
C)Application
D)Network

Question 35

After checking the sequence number, TCP sends back the ____ number, showing that the frame was received.

A)checksum
B)FIN
C)acknowledgment
D)verification

Question 36

A packet is the same as a ____.

A)datagram
B)TCP segment
C)data payload
D)IP segment

Question 37

IP does not perform ____.

A)data transfer
B)flow control
C)packet addressing
D)None of the above.

Question 38

____enabled different types of DEC and IBM computers to connect for network communications and to run applications over a network in which the hosts were separated geographically.

A)TCP
B)IP
C)NCP
D)FTP

Question 39

The essential TCP functions are similar to those of the OSI ____ layer.

A)Transport
B)Data Link
C)Application
D)Network

Question 40

TCP/IP was introduced in the ____.

A)1950s
B)1960s
C)1970s
D)1980s

Question 41

Which is not true about FTP?

A)It can transfer a portion of a file or records within a file.
B)FTP data transmissions are reliable.
C)It is well suited for exchanging even large files over a WAN.
D)None of the above.

Question 42

An IPv6 ____ packet contains a destination address that is associated with multiple interfaces, usually on different nodes. It goes only to the closest interface and does not attempt to reach the other interfaces with the same address.

A)unicast
B)anycast
C)multicast
D)Both B and C.

Question 43

Which is not true about SMTP?

A)It can send only text files.
B)It requires the use of a logon ID and password for the remote system.
C)It provides an alternative to FTP for sending a file from one computer system to another.
D)None of the above.

Question 44

The ____ zone holds the pointer resource record, which contains the IP-address-to-host name records.

A)reverse lookup
B)pointer lookup
C)forward lookup
D)master lookup

Question 45

An Ethernet packet that is under 64 bytes but that contains all of the normal fields is called a ____ packet.

A)midget
B)runt
C)short
D)small

Question 46

The IPv6 ____ field is a modification of the IPv4 TTL field.

A)Flow Label
B)Extension headers
C)Hop Limit
D)Traffic Class

Question 47

____ is a connection-oriented protocol.

A)FTP
B)NFS
C)TFTP
D)Both A and B.

Question 48

Telnet runs in the TCP/IP layer that is equivalent to the OSI ____ layer.

A)Transport
B)Data Link
C)Session
D)Network

Question 49

TCP/IP is a layered set of protocols identical to the OSI protocol layers.

Question 50

IPv6 networks ____ when transmitting multimedia traffic.

A)use broadcasting
B)designate all the recipients' interfaces as the same address
C)use multicast grouping
D)Both A and B.

Question 51

Which is not true about Telnet?

A)It comes with nearly all vendor implementations of TCP/IP.
B)It is an open standard.
C)Telnet communications consist of a header and application data that are encapsulated within the TCP data portion of the TCP segment.
D)None of the above.

Question 52

A ____ resource record is a type of DNS record that enables DNS to recognize multiple servers and to locate commonly used TCP/IP services that are associated with specific servers.

A)pointer
B)start of authority
C)service
D)locator

Question 53

Which is not true about TFTP?

A)It is designed for tasks such as the transfer of data to enable a diskless workstation to boot using files transmitted from a server.
B)It is connectionless.
C)It is intended for the transfer of small files in situations in which there is no need for security.
D)None of the above.

Question 54

Class ____ addresses are not intended for unicast addressing methods.

A)B
B)D
C)C
D)None of the above.

Question 55

The ____ zone links computer names to IP addresses.

A)reverse lookup
B)pointer lookup
C)forward lookup
D)master lookup

Question 56

The figure above shows a TCP frame.

Question 57

The D in DHCP stands for ____.

A)Data
B)Domain
C)Decimal
D)Dynamic

Question 58

An IPv6 ____ packet contains a destination address that is associated with multiple interfaces, usually on different nodes. It is directed to each of the interfaces with that address.

A)unicast
B)anycast
C)multicast
D)Both B and C.

Question 59

The ____ registers root domain names.

A)IEEE
B)ICANN
C)NIST
D)Federal Government

Question 60

The M in MIB stands for ____.

A)Multiple
B)Management
C)Mail
D)Message

Question 61

What is the difference between unicast and multicast packets? Which is used more often by an application?

Question 62

When computers talk over the Internet, the language they speak is the ________________________________________

Question 63

When transmitting to a node on a network that uses a packet size of less than 1280 octets, IPv6 ____________________ the packet.

Question 64

Secondary DNS servers are used for administration.

Question 65

The figure above is an example of a TCP packet.

Question 66

The actual data carried within the TCP segment is called the ____________________.

Question 67

The IP address format is called the _________________________ address.

Question 68

A(n)____________________ is used to show the class of addressing used and to divide a network into subnetworks to control network traffic.

Question 69

What does UDP stand for? Briefly state the advantages and disadvantages of using it.

Question 70

The process of converting an IP address to a computer name or vice versa is called resolution.

Question 71

CIDR addressing puts a colon (:)after the dotted decimal notation.

Question 72

To what does a sliding window refer? What is a sliding window? How is it adjusted?

Question 73

The checksum in UDP is used differently than it is in TCP to compare the received frame with the one that was sent.

Question 74

A network management station is a computer with software that monitors networked devices that are equipped to communicate via SNMP.

Question 75

A(n)____________________ is a logical grouping of network resources such as computers, printers, and network devices.

Question 76

A(n)____________________ is a password used by network agents and the network management station so their communications cannot be easily intercepted by an unauthorized workstation or device.

Question 77

Where would you find the TTL field? What is it, and what function does it perform?

Question 78

In an IP packet, ____________________ fills the options area when there is not enough data to complete the allocated area, because the total size of the IP header must be divisible by 32.

Question 79

Functioning like a virtual circuit, a(n)____________________ enables communication between individual processes at two communicating nodes or devices.

Question 80

The figure above is an example of an IP packet.