Question 1
Question
Which of the following are considered class A addresses? (Select all that apply.)
Answer
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129.45.10.15
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10.35.87.5
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131.15.10.12
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192.156.8.34
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121.59.87.32
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210.45.10.112
Question 2
Question
Sue is reviewing IP addressing basics and asks you which of the following is considered a class A private address.
Answer
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24.56.10.12
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192.168.0.5
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172.16.45.10
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10.55.67.99
Question 3
Question
What is the default subnet mask of a system with the IP address of 189.34.5.67?
Answer
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255.0.0.0
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255.255.0.0
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255.255.255.0
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255.255.255.255
Question 4
Question
What is the default subnet mask of a class C address?
Answer
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255.0.0.0
-
255.255.0.0
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255.255.255.0
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255.255.255.255
Question 5
Question
Which of the following is a class B private address?
Answer
-
24.56.10.12
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192.168.0.5
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172.16.45.10
-
10.55.67.99
Question 6
Question
Are the systems of 201.45.3.56 and 201.45.5.20 on the same network?
Question 7
Question
Which of the following addresses are considered invalid addresses to assign to a host on the network? (Select all that apply.)
Answer
-
10.254.255.255
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120.127.34.10
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190.34.255.255
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136.45.68.22
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202.45.6.0
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127.87.3.22
Question 8
Question
The decimal number of 137 is which of the following in binary?
Answer
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10001001
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10101001
-
11001001
-
10000101
Question 9
Question
Are the systems with the IP addresses of 121.56.78.10 and 121.45.6.88 on the same network?
Question 10
Question
What is the default subnet mask of 130.56.78.10?
Answer
-
255.0.0.0
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255.255.0.0
-
255.255.255.0
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255.255.255.255
Question 11
Question
Your system has an IP address of 131.107.45.10. Which of the following systems is on the same network as you?
Answer
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131.56.10.12
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130.107.45.10
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131.107.22.15
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113.107.45.11
Question 12
Question
Which of the following addresses are considered invalid addresses to assign to a host on the network? (Select all that apply.)
Answer
-
216.83.11.255
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12.34.0.0
-
10.34.15.22
-
131.107.0.0
-
127.15.34.10
-
189.56.78.10
Question 13
Question
The binary number of 01101101 is which of the following decimal values?
Question 14
Question
Which class address always has the value of the first bits in the IP address set to 110?
Answer
-
Class A
-
Class B
-
Class C
-
Class D
Question 15
Question
Which class address always has the first two bits of the IP address set to 10?
Answer
-
Class A
-
Class B
-
Class C
-
Class D
Question 16
Question
Which IP address class always has the first bit in the address set to 0?
Answer
-
Class A
-
Class B
-
Class C
-
Class D
Question 17
Question
Which protocol is responsible for converting the logical address to a physical address?
Question 18
Question
The ARP request is sent to which of the following layer-2 destination addresses?
Answer
-
FF-FF-FF-FF-FF-FF
-
192.168.0.255
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00-FF-00-FF-00-FF
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00-00-00-00-00-00
Question 19
Question
What are the three phases of the TCP three-way handshake?
Answer
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ACK/SYN, SYN, ACK
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SYN, ACK/SYN, ACK
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ACK/SYN, ACK, SYN
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SYN, ACK, SYN/ACK
Question 20
Question
Which of the following does TCP use to guarantee delivery?
Answer
-
Source and destination IP address
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Source and destination port
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Sequence numbers and acknowledgements
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Sequence numbers and ports
Question 21
Question
What TCP/IP protocol is responsible for logical addressing and routing functions?
Question 22
Question
Which transport layer protocol is responsible for unreliable delivery?
Question 23
Question
Which TCP/IP protocol is responsible for error and status reporting?
Question 24
Question
The router looks at which field in the IP header to decide where to send the packet?
Answer
-
Source IP address
-
Destination IP address
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Source MAC address
-
Destination MAC address
Question 25
Question
What flags are set on the second phase of the three-way handshake?
Answer
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FIN/SYN
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ACK/FIN
-
ACK/SYN
-
ACK/RST
Question 26
Question
Which flag is set in a TCP packet that indicates a previous packet was received?
Question 27
Question
You wish to allow echo request messages to pass through the firewall. What ICMP type is used in an echo request message?
Question 28
Question
Which of the following are fields found in the IP header? (Select all that apply.)
Answer
-
Sequence number
-
Destination port
-
Source IP address
-
Type
-
Time to Live
-
SYN flag
Question 29
Question
Which of the following are considered application layer protocols?
Question 30
Question
Which transport layer protocol is responsible for reliable delivery?
Question 31
Question
What ICMP type is used by the echo reply message?
Question 32
Question
The security administrator for your network has asked that you block ping messages from entering your network. What protocol would you block?
Question 33
Question
Which TCP flag is responsible for dropping a connection at any point in time?
Question 34
Question
Which of the following is the IPv6 equivalent to 127.0.0.1?
Question 35
Question
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.)
Answer
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A link-local address starts with FE00.
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A global address starts with 2000.
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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.
Question 36
Question
Which of the following is an example of an IPv6 link-local address?
Answer
-
ff00::f407:622c:a0ce:90cc
-
fe80::f407:622c:a0ce:90cc
-
fe08::f407:622c:a0ce:90cc
-
2001::f407:622c:a0ce:90cc
Question 37
Question
Your manager has asked you what some of the benefits of transitioning from IPv4 to IPv6 are. (Select two.)
Question 38
Question
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.
Answer
-
6-to-4
-
Dynamic IP
-
Teredo
-
Dual stack
Question 39
Question
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.)
Answer
-
Broadcast addressing
-
Translation between IPv6 and IPv4
-
Multicast to unicast translation
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Use of dual-stack routing
-
Use tunneling protocols
Question 40
Question
What IPv6 address type is similar to an IPv4 private IP address and starts with FC00?
Answer
-
Global address
-
Loopback address
-
Link-local address
-
Unique local address
Question 41
Question
SMTP uses which of the following ports?
Answer
-
UDP 53
-
TCP 21
-
TCP 23
-
TCP 25
Question 42
Question
FTP uses which of the following ports?
Question 43
Question
Which of the following represents the port used by POP3?
Question 44
Question
Which of the following are true statements about TCP ports? (Select all that apply.)
Question 45
Question
Which of the following are true statements about ports? (Select all that apply.)
Answer
-
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.
Question 46
Question
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… …:
Question 47
Question
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
Answer
-
Change his IP address to 169.254.210.79.
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Change his IP address to 192.19.0.79.
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Change his subnet mask to 255.0.0.0.
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Remove his default gateway setting.