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Chapter 2 - Introduction to TCP/IP

Descrição

✓ Understanding IP addressing topics, such as the default address classes ✓ Recognizing the different protocols that make up the TCP/IP protocol suite, such as TCP, UDP, IP, ARP, and ICMP ✓ Demonstrating on the new ICND1 exam your knowledge of IPv6 and the different address types ✓ Knowing the common TCP and UDP ports that are used by applications ✓ Converting a binary value to a decimal value and vice versa
Kessi Silva
Quiz por Kessi Silva, atualizado more than 1 year ago
Kessi Silva
Criado por Kessi Silva mais de 7 anos atrás
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Resumo de Recurso

Questão 1

Questão
Which of the following are considered class A addresses? (Select all that apply.)
Responda
  • 129.45.10.15
  • 10.35.87.5
  • 131.15.10.12
  • 192.156.8.34
  • 121.59.87.32
  • 210.45.10.112

Questão 2

Questão
Sue is reviewing IP addressing basics and asks you which of the following is considered a class A private address.
Responda
  • 24.56.10.12
  • 192.168.0.5
  • 172.16.45.10
  • 10.55.67.99

Questão 3

Questão
What is the default subnet mask of a system with the IP address of 189.34.5.67?
Responda
  • 255.0.0.0
  • 255.255.0.0
  • 255.255.255.0
  • 255.255.255.255

Questão 4

Questão
What is the default subnet mask of a class C address?
Responda
  • 255.0.0.0
  • 255.255.0.0
  • 255.255.255.0
  • 255.255.255.255

Questão 5

Questão
Which of the following is a class B private address?
Responda
  • 24.56.10.12
  • 192.168.0.5
  • 172.16.45.10
  • 10.55.67.99

Questão 6

Questão
Are the systems of 201.45.3.56 and 201.45.5.20 on the same network?
Responda
  • True
  • False

Questão 7

Questão
Which of the following addresses are considered invalid addresses to assign to a host on the network? (Select all that apply.)
Responda
  • 10.254.255.255
  • 120.127.34.10
  • 190.34.255.255
  • 136.45.68.22
  • 202.45.6.0
  • 127.87.3.22

Questão 8

Questão
The decimal number of 137 is which of the following in binary?
Responda
  • 10001001
  • 10101001
  • 11001001
  • 10000101

Questão 9

Questão
Are the systems with the IP addresses of 121.56.78.10 and 121.45.6.88 on the same network?
Responda
  • True
  • False

Questão 10

Questão
What is the default subnet mask of 130.56.78.10?
Responda
  • 255.0.0.0
  • 255.255.0.0
  • 255.255.255.0
  • 255.255.255.255

Questão 11

Questão
Your system has an IP address of 131.107.45.10. Which of the following systems is on the same network as you?
Responda
  • 131.56.10.12
  • 130.107.45.10
  • 131.107.22.15
  • 113.107.45.11

Questão 12

Questão
Which of the following addresses are considered invalid addresses to assign to a host on the network? (Select all that apply.)
Responda
  • 216.83.11.255
  • 12.34.0.0
  • 10.34.15.22
  • 131.107.0.0
  • 127.15.34.10
  • 189.56.78.10

Questão 13

Questão
The binary number of 01101101 is which of the following decimal values?
Responda
  • 101
  • 109
  • 135
  • 143

Questão 14

Questão
Which class address always has the value of the first bits in the IP address set to 110?
Responda
  • Class A
  • Class B
  • Class C
  • Class D

Questão 15

Questão
Which class address always has the first two bits of the IP address set to 10?
Responda
  • Class A
  • Class B
  • Class C
  • Class D

Questão 16

Questão
Which IP address class always has the first bit in the address set to 0?
Responda
  • Class A
  • Class B
  • Class C
  • Class D

Questão 17

Questão
Which protocol is responsible for converting the logical address to a physical address?
Responda
  • TCP
  • IP
  • ICMP
  • ARP

Questão 18

Questão
The ARP request is sent to which of the following layer-2 destination addresses?
Responda
  • FF-FF-FF-FF-FF-FF
  • 192.168.0.255
  • 00-FF-00-FF-00-FF
  • 00-00-00-00-00-00

Questão 19

Questão
What are the three phases of the TCP three-way handshake?
Responda
  • ACK/SYN, SYN, ACK
  • SYN, ACK/SYN, ACK
  • ACK/SYN, ACK, SYN
  • SYN, ACK, SYN/ACK

Questão 20

Questão
Which of the following does TCP use to guarantee delivery?
Responda
  • Source and destination IP address
  • Source and destination port
  • Sequence numbers and acknowledgements
  • Sequence numbers and ports

Questão 21

Questão
What TCP/IP protocol is responsible for logical addressing and routing functions?
Responda
  • TCP
  • IP
  • ICMP
  • UDP

Questão 22

Questão
Which transport layer protocol is responsible for unreliable delivery?
Responda
  • TCP
  • IP
  • ICMP
  • UDP

Questão 23

Questão
Which TCP/IP protocol is responsible for error and status reporting?
Responda
  • TCP
  • IP
  • ICMP
  • UDP

Questão 24

Questão
The router looks at which field in the IP header to decide where to send the packet?
Responda
  • Source IP address
  • Destination IP address
  • Source MAC address
  • Destination MAC address

Questão 25

Questão
What flags are set on the second phase of the three-way handshake?
Responda
  • FIN/SYN
  • ACK/FIN
  • ACK/SYN
  • ACK/RST

Questão 26

Questão
Which flag is set in a TCP packet that indicates a previous packet was received?
Responda
  • PSH
  • FIN
  • ACK
  • RST

Questão 27

Questão
You wish to allow echo request messages to pass through the firewall. What ICMP type is used in an echo request message?
Responda
  • 0
  • 8
  • 3
  • 11

Questão 28

Questão
Which of the following are fields found in the IP header? (Select all that apply.)
Responda
  • Sequence number
  • Destination port
  • Source IP address
  • Type
  • Time to Live
  • SYN flag

Questão 29

Questão
Which of the following are considered application layer protocols?
Responda
  • TCP
  • IP
  • FTP
  • ICMP

Questão 30

Questão
Which transport layer protocol is responsible for reliable delivery?
Responda
  • UDP
  • ICMP
  • IP
  • TCP

Questão 31

Questão
What ICMP type is used by the echo reply message?
Responda
  • 0
  • 3
  • 5
  • 8

Questão 32

Questão
The security administrator for your network has asked that you block ping messages from entering your network. What protocol would you block?
Responda
  • ICMP
  • IP
  • TCP
  • UDP

Questão 33

Questão
Which TCP flag is responsible for dropping a connection at any point in time?
Responda
  • PSH
  • FIN
  • ACK
  • RST

Questão 34

Questão
Which of the following is the IPv6 equivalent to 127.0.0.1?
Responda
  • ::127
  • 127::1
  • ::1
  • FE80::

Questão 35

Questão
Your manager has been hearing a lot about IPv6 addressing, and asks you which of the following statements are true about IPv6 unicast addresses? (Select two.)
Responda
  • A link-local address starts with FE00.
  • A global address starts with 2000.
  • The loopback address is 127::1.
  • When an interface is assigned a global address, it is allowed only one IP6 address.
  • The loopback address is ::1.

Questão 36

Questão
Which of the following is an example of an IPv6 link-local address?
Responda
  • ff00::f407:622c:a0ce:90cc
  • fe80::f407:622c:a0ce:90cc
  • fe08::f407:622c:a0ce:90cc
  • 2001::f407:622c:a0ce:90cc

Questão 37

Questão
Your manager has asked you what some of the benefits of transitioning from IPv4 to IPv6 are. (Select two.)
Responda
  • IPSec is optional
  • No broadcast messages
  • A 64-bit address scheme
  • Telnet passwords are encrypted
  • Automatic configuration

Questão 38

Questão
Your manager is evaluating IPv6 transitioning technologies and is wondering which IPv6 tunneling method encapsulates the IPv6 data into an IPv4 user datagram to travel over the Internet and can pass through NAT devices.
Responda
  • 6-to-4
  • Dynamic IP
  • Teredo
  • Dual stack

Questão 39

Questão
You are evaluation how you are going to slowly transition to IPv6. What three techniques can be used to allow migrating from IPv4 to IPv6? (Choose three.)
Responda
  • Broadcast addressing
  • Translation between IPv6 and IPv4
  • Multicast to unicast translation
  • Use of dual-stack routing
  • Use tunneling protocols

Questão 40

Questão
What IPv6 address type is similar to an IPv4 private IP address and starts with FC00?
Responda
  • Global address
  • Loopback address
  • Link-local address
  • Unique local address

Questão 41

Questão
SMTP uses which of the following ports?
Responda
  • UDP 53
  • TCP 21
  • TCP 23
  • TCP 25

Questão 42

Questão
FTP uses which of the following ports?
Responda
  • 25
  • 23
  • 21
  • 53

Questão 43

Questão
Which of the following represents the port used by POP3?
Responda
  • 21
  • 110
  • 143
  • 443

Questão 44

Questão
Which of the following are true statements about TCP ports? (Select all that apply.)
Responda
  • FTP uses TCP ports 21 and 20.
  • FTP uses TCP ports 11 and 12.
  • HTTP uses TCP port 53.
  • HTTP uses TCP port 80.
  • SMTP uses TCP port 53.
  • SMTP uses TCP port 25.

Questão 45

Questão
Which of the following are true statements about ports? (Select all that apply.)
Responda
  • DHCP uses UDP 67/68.
  • DHCP uses TCP 67/68.
  • SNMP uses UDP 161.
  • DNS uses UDP 25.
  • SNMP uses TCP 161.
  • DNS uses UDP 53.

Questão 46

Questão
Sue is unable to surf the Internet and calls you over to her desk to troubleshoot. You use ipconfig on the system and notice the following IP configuration. What is the problem? Local Area Network Connection: IPv4 Address…. … .: 169.254.34.56 Subnet Mask… …. .: 255.255.0.0 Default Gateway… …:
Responda
  • The DNS server is down.
  • The subnet mask is incorrect.
  • The router is down.
  • The DHCP server is down.

Questão 47

Questão
Bob is unable to surf the Internet and calls you over to his desk to troubleshoot. You use ipconfig on the system and notice the following IP configuration. What should you do? Local Area Network Connection: IPv4 Address…. … .: 192.19.210.79 Subnet Mask… …. .: 255.255.255.0 Default Gateway… …: 192.19.0.1
Responda
  • Change his IP address to 169.254.210.79.
  • Change his IP address to 192.19.0.79.
  • Change his subnet mask to 255.0.0.0.
  • Remove his default gateway setting.

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