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Chapter 2 - Introduction to TCP/IP

Beschreibung

✓ 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
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Zusammenfassung der Ressource

Frage 1

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

Frage 2

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

Frage 3

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

Frage 4

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

Frage 5

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

Frage 6

Frage
Are the systems of 201.45.3.56 and 201.45.5.20 on the same network?
Antworten
  • True
  • False

Frage 7

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

Frage 8

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

Frage 9

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

Frage 10

Frage
What is the default subnet mask of 130.56.78.10?
Antworten
  • 255.0.0.0
  • 255.255.0.0
  • 255.255.255.0
  • 255.255.255.255

Frage 11

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

Frage 12

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

Frage 13

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

Frage 14

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

Frage 15

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

Frage 16

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

Frage 17

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

Frage 18

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

Frage 19

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

Frage 20

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

Frage 21

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

Frage 22

Frage
Which transport layer protocol is responsible for unreliable delivery?
Antworten
  • TCP
  • IP
  • ICMP
  • UDP

Frage 23

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

Frage 24

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

Frage 25

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

Frage 26

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

Frage 27

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

Frage 28

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

Frage 29

Frage
Which of the following are considered application layer protocols?
Antworten
  • TCP
  • IP
  • FTP
  • ICMP

Frage 30

Frage
Which transport layer protocol is responsible for reliable delivery?
Antworten
  • UDP
  • ICMP
  • IP
  • TCP

Frage 31

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

Frage 32

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

Frage 33

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

Frage 34

Frage
Which of the following is the IPv6 equivalent to 127.0.0.1?
Antworten
  • ::127
  • 127::1
  • ::1
  • FE80::

Frage 35

Frage
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.)
Antworten
  • 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.

Frage 36

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

Frage 37

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

Frage 38

Frage
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.
Antworten
  • 6-to-4
  • Dynamic IP
  • Teredo
  • Dual stack

Frage 39

Frage
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.)
Antworten
  • Broadcast addressing
  • Translation between IPv6 and IPv4
  • Multicast to unicast translation
  • Use of dual-stack routing
  • Use tunneling protocols

Frage 40

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

Frage 41

Frage
SMTP uses which of the following ports?
Antworten
  • UDP 53
  • TCP 21
  • TCP 23
  • TCP 25

Frage 42

Frage
FTP uses which of the following ports?
Antworten
  • 25
  • 23
  • 21
  • 53

Frage 43

Frage
Which of the following represents the port used by POP3?
Antworten
  • 21
  • 110
  • 143
  • 443

Frage 44

Frage
Which of the following are true statements about TCP ports? (Select all that apply.)
Antworten
  • 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.

Frage 45

Frage
Which of the following are true statements about ports? (Select all that apply.)
Antworten
  • 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.

Frage 46

Frage
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… …:
Antworten
  • The DNS server is down.
  • The subnet mask is incorrect.
  • The router is down.
  • The DHCP server is down.

Frage 47

Frage
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
Antworten
  • 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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