1.11 Quiz Answers

1 Which of the following characteristics of TCP is provided by windowing?

connectionless data transport
flow control *
well-known ports
best-effort delivery
2 Which of the following protocols operate at the application layer of the OSI model? (Choose two.)

FTP *
TCP
UDP
HTTP *
3 Which port numbers are commonly assigned for FTP use? (Choose two.)

19
20 *
21 *
22
4 Which protocol is used to transfer files from computer to computer but is considered connectionless?

FTP
TFTP *
SNMP
TCP
DHCP
5 What are the features of the User Datagram Protocol (UDP). (Choose three.)

no guaranteed delivery of datagrams *
connection-oriented
provides reliable full-duplex data transmission
reliability provided by the application layer *
connectionless *
utilizes sliding windowing techniques
6 Which protocol can be used to load or retrieve Cisco IOS images to or from a router?

SNMP
TFTP *
UDP
TCP
7 During data transfer, what are the main responsibilities of the receiving host? (Choose two.)

throughput
encapsulation
acknowledgment *
bandwidth
segmentation
reassembly *
8 Which of the following services is used to translate a web address into an IP address?

DNS *
WINS
DHCP
Telnet
9 Which SNMP component is responsible for using the majority of memory resources?

network management system *
agents
managed devices
secure ports
10 What does TCP use to begin the three-way handshaking process?

The destination host sends an ACK segment.
The sending host sends a SYN segment. *
The sending host sends a SYN and ACK segment.
The destination host sends a SYN segment.
11 Which of the following SNMP components would a router be considered?

network management system
agents
managed devices *
secure ports
12 Which of the following describes the operation of TCP window size?

Window size increases as all data transfers.
Window size is the TCP process used prepare data for transmission.
Window size is decreased if packets are lost. *
Window size of 15 means that the next byte expected is byte number 15.
13 End systems use port numbers to select the proper application. What is the smallest port number that can be dynamically assigned by a host system?

1
64
128
256
512
1024 *
14 Which of the following are components of SNMP? (Choose three.)

network management system *
protocol analyzer
managed devices *
secure ports
agents *
protocol inspector
15 Which of the following protocols use TCP? (Choose two.)

FTP *
DHCP
TFTP
HTTP *
SYN

16 What is the purpose of TCP/UDP port numbers?

indicate the beginning of a three-way handshake
reassemble the segments into the correct order
identify the number of data packets that may be sent without acknowledgment
track different conversations crossing the network at the same time *
17 Which TCP/IP layer is responsible for dialog control?

application *
presentation
session
transport
18 At which layer of the TCP/IP model does Telnet operate?

application *
presentation
session
transport
internet
network access
19 Which application layer protocol allows network devices to exchange management information?

SMTP
SNMP *
FTP
TFTP
EIGRP
20 Which protocols can be used to transfer files between systems? (Choose two)

TFTP *
DNS
SNMP
FTP *
DHCP
21 Which protocol is used by e-mail servers to communicate with each other?

FTP
HTTP
TFTP
SMTP *
POP
SNMP
22 Which protocol is used by FTP to transfer files over the Internet?

TCP *
SMTP
UDP
SNMP
23 Which acknowledgement number should be sent by the receiver shown in the graphic?

3
4
6
7 *
9
12
24 Which features allow TCP to reliably and accurately transport and regulate the flow of information from source to destination? (Choose three.)

sliding windows *
buffers
asynchronization
sequencing numbers *
acknowledgments *
segmentation
25 TCP/IP connection-oriented sessions begin with a three-way handshake. Which items describe the handshake process? (Choose three.)

acknowledge *
synchronize *
encapsulate
negotiate *
create
propagate
26 Which type of institution does the domain suffix .org represent?

government
education
network
non-profit *


Kaynak: Cisco Curr v3.1
belgesi-1240