Computer Networking Bootcamp Module 6 Quiz

Which OSI layer does the Simple Mail Transfer Protocol (SMTP) operate at?

Network

Correct Incorrect Correct answer

Transport

Correct Incorrect Correct answer

Session

Correct Incorrect Correct answer

Application

Correct Incorrect Correct answer

By default, which port number is used for secure web communications using HTTPS?

69

Correct Incorrect Correct answer

23

Correct Incorrect Correct answer

21

Correct Incorrect Correct answer

443

Correct Incorrect Correct answer

Which protocol automates the assignment of IP addresses, subnet masks, default gateways, and DNS information to network devices?

SMTP

Correct Incorrect Correct answer

SNMP

Correct Incorrect Correct answer

DHCP

Correct Incorrect Correct answer

ARP

Correct Incorrect Correct answer

Which protocol is used to find the hardware (MAC) address of a local device based on its IP address?

RARP

Correct Incorrect Correct answer

ARP

Correct Incorrect Correct answer

IP

Correct Incorrect Correct answer

ICMP

Correct Incorrect Correct answer

BootP

Correct Incorrect Correct answer

Which protocol should you use for securely logging into a Unix server over an insecure network?

Telnet

Correct Incorrect Correct answer

SSH

Correct Incorrect Correct answer

SFTP

Correct Incorrect Correct answer

HTTP

Correct Incorrect Correct answer

If you can ping a host by IP address but not by hostname, which port number is likely associated with the failing server process?

21

Correct Incorrect Correct answer

23

Correct Incorrect Correct answer

53

Correct Incorrect Correct answer

69

Correct Incorrect Correct answer

80

Correct Incorrect Correct answer

Which statements correctly describe a DHCP Discover message? (Choose two.)

It uses FF:FF:FF:FF:FF:FF as a Layer 2 broadcast.

Correct Incorrect Correct answer

It uses UDP as the Transport layer protocol.

Correct Incorrect Correct answer

It uses TCP as the Transport layer protocol.

Correct Incorrect Correct answer

It does not use a Layer 2 destination address.

Correct Incorrect Correct answer

Which Layer 4 protocol is used for a Telnet connection, and what is its default port?

IP, 6

Correct Incorrect Correct answer

TCP, 21

Correct Incorrect Correct answer

UDP, 23

Correct Incorrect Correct answer

ICMP, 21

Correct Incorrect Correct answer

TCP, 23

Correct Incorrect Correct answer

Which statements about ICMP packets are true? (Choose two.)

They acknowledge receipt of a TCP segment.

Correct Incorrect Correct answer

They guarantee datagram delivery.

Correct Incorrect Correct answer

They can provide hosts with information about network problems.

Correct Incorrect Correct answer

They are encapsulated within IP datagrams.

Correct Incorrect Correct answer

They are encapsulated within UDP datagrams.

Correct Incorrect Correct answer

Which of the following services use TCP? (Choose three.)

DHCP

Correct Incorrect Correct answer

SMTP

Correct Incorrect Correct answer

SNMP

Correct Incorrect Correct answer

FTP

Correct Incorrect Correct answer

HTTP

Correct Incorrect Correct answer

TFTP

Correct Incorrect Correct answer

Which of the following services use UDP? (Choose three.)

DHCP

Correct Incorrect Correct answer

SMTP

Correct Incorrect Correct answer

SNMP

Correct Incorrect Correct answer

FTP

Correct Incorrect Correct answer

HTTP

Correct Incorrect Correct answer

TFTP

Correct Incorrect Correct answer

Which of the following are TCP/IP Application layer protocols? (Choose three.)

IP

Correct Incorrect Correct answer

TCP

Correct Incorrect Correct answer

Telnet

Correct Incorrect Correct answer

FTP

Correct Incorrect Correct answer

TFTP

Correct Incorrect Correct answer

Which protocol do email servers use to exchange messages with each other?

POP3

Correct Incorrect Correct answer

IMAP

Correct Incorrect Correct answer

SMTP

Correct Incorrect Correct answer

HTTP

Correct Incorrect Correct answer

When using Telnet or FTP, which is the highest OSI layer involved in transmitting data?

Application

Correct Incorrect Correct answer

Presentation

Correct Incorrect Correct answer

Session

Correct Incorrect Correct answer

Transport

Correct Incorrect Correct answer

Which protocol uses both TCP and UDP, allows authentication and secure polling of network devices, and provides automated alerts and reports?

DNS

Correct Incorrect Correct answer

SNMP

Correct Incorrect Correct answer

SMTP

Correct Incorrect Correct answer

TCP

Correct Incorrect Correct answer

Which two protocols can be used to transfer files between two hosts? (Select two)

SNMP

Correct Incorrect Correct answer

SCP

Correct Incorrect Correct answer

RIP

Correct Incorrect Correct answer

NTP

Correct Incorrect Correct answer

FTP

Correct Incorrect Correct answer

In the TCP/IP model, which layer corresponds to the OSI Transport layer?

Application

Correct Incorrect Correct answer

Host-to-Host

Correct Incorrect Correct answer

Internet

Correct Incorrect Correct answer

Network Access

Correct Incorrect Correct answer

Which protocol ensures that all network devices maintain synchronized time?

FTP

Correct Incorrect Correct answer

SCP

Correct Incorrect Correct answer

NTP

Correct Incorrect Correct answer

RTP

Correct Incorrect Correct answer

How does a server distinguish between different simultaneous requests from the same host?

They have different port numbers.

Correct Incorrect Correct answer

A NAT server changes the IP address for subsequent requests.

Correct Incorrect Correct answer

A server cannot accept multiple simultaneous sessions from the same host.

Correct Incorrect Correct answer

The MAC address for each one is unique.

Correct Incorrect Correct answer

Which protocol uses both TCP and UDP?

FTP

Correct Incorrect Correct answer

SMTP

Correct Incorrect Correct answer

Telnet

Correct Incorrect Correct answer

DNS

Correct Incorrect Correct answer

Computer Networking Bootcamp Module 6 Quiz

Computer Networking Bootcamp Module 6 Quiz

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