CCNA V3.1
Semestre 1 - Module 11

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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 *

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