Pregunta 1
Pregunta
Which of the following are considered class A addresses? (Select all that apply.)
Respuesta
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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
Pregunta 2
Pregunta
Sue is reviewing IP addressing basics and asks you which of the following is considered a class A private address.
Respuesta
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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
Pregunta 3
Pregunta
What is the default subnet mask of a system with the IP address of 189.34.5.67?
Respuesta
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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
Pregunta 4
Pregunta
What is the default subnet mask of a class C address?
Respuesta
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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
Pregunta 5
Pregunta
Which of the following is a class B private address?
Respuesta
-
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
Pregunta 6
Pregunta
Are the systems of 201.45.3.56 and 201.45.5.20 on the same network?
Pregunta 7
Pregunta
Which of the following addresses are considered invalid addresses to assign to a host on the network? (Select all that apply.)
Respuesta
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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
Pregunta 8
Pregunta
The decimal number of 137 is which of the following in binary?
Respuesta
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10001001
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10101001
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11001001
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10000101
Pregunta 9
Pregunta
Are the systems with the IP addresses of 121.56.78.10 and 121.45.6.88 on the same network?
Pregunta 10
Pregunta
What is the default subnet mask of 130.56.78.10?
Respuesta
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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
Pregunta 11
Pregunta
Your system has an IP address of 131.107.45.10. Which of the following systems is on the same network as you?
Respuesta
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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
Pregunta 12
Pregunta
Which of the following addresses are considered invalid addresses to assign to a host on the network? (Select all that apply.)
Respuesta
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216.83.11.255
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12.34.0.0
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10.34.15.22
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131.107.0.0
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127.15.34.10
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189.56.78.10
Pregunta 13
Pregunta
The binary number of 01101101 is which of the following decimal values?
Pregunta 14
Pregunta
Which class address always has the value of the first bits in the IP address set to 110?
Respuesta
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Class A
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Class B
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Class C
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Class D
Pregunta 15
Pregunta
Which class address always has the first two bits of the IP address set to 10?
Respuesta
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Class A
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Class B
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Class C
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Class D
Pregunta 16
Pregunta
Which IP address class always has the first bit in the address set to 0?
Respuesta
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Class A
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Class B
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Class C
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Class D
Pregunta 17
Pregunta
Which protocol is responsible for converting the logical address to a physical address?
Pregunta 18
Pregunta
The ARP request is sent to which of the following layer-2 destination addresses?
Respuesta
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FF-FF-FF-FF-FF-FF
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192.168.0.255
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00-FF-00-FF-00-FF
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00-00-00-00-00-00
Pregunta 19
Pregunta
What are the three phases of the TCP three-way handshake?
Respuesta
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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
Pregunta 20
Pregunta
Which of the following does TCP use to guarantee delivery?
Respuesta
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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
Pregunta 21
Pregunta
What TCP/IP protocol is responsible for logical addressing and routing functions?
Pregunta 22
Pregunta
Which transport layer protocol is responsible for unreliable delivery?
Pregunta 23
Pregunta
Which TCP/IP protocol is responsible for error and status reporting?
Pregunta 24
Pregunta
The router looks at which field in the IP header to decide where to send the packet?
Respuesta
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Source IP address
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Destination IP address
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Source MAC address
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Destination MAC address
Pregunta 25
Pregunta
What flags are set on the second phase of the three-way handshake?
Respuesta
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FIN/SYN
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ACK/FIN
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ACK/SYN
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ACK/RST
Pregunta 26
Pregunta
Which flag is set in a TCP packet that indicates a previous packet was received?
Pregunta 27
Pregunta
You wish to allow echo request messages to pass through the firewall. What ICMP type is used in an echo request message?
Pregunta 28
Pregunta
Which of the following are fields found in the IP header? (Select all that apply.)
Respuesta
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Sequence number
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Destination port
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Source IP address
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Type
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Time to Live
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SYN flag
Pregunta 29
Pregunta
Which of the following are considered application layer protocols?
Pregunta 30
Pregunta
Which transport layer protocol is responsible for reliable delivery?
Pregunta 31
Pregunta
What ICMP type is used by the echo reply message?
Pregunta 32
Pregunta
The security administrator for your network has asked that you block ping messages from entering your network. What protocol would you block?
Pregunta 33
Pregunta
Which TCP flag is responsible for dropping a connection at any point in time?
Pregunta 34
Pregunta
Which of the following is the IPv6 equivalent to 127.0.0.1?
Pregunta 35
Pregunta
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.)
Respuesta
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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.
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When an interface is assigned a global address, it is allowed only one IP6 address.
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The loopback address is ::1.
Pregunta 36
Pregunta
Which of the following is an example of an IPv6 link-local address?
Respuesta
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ff00::f407:622c:a0ce:90cc
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fe80::f407:622c:a0ce:90cc
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fe08::f407:622c:a0ce:90cc
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2001::f407:622c:a0ce:90cc
Pregunta 37
Pregunta
Your manager has asked you what some of the benefits of transitioning from IPv4 to IPv6 are. (Select two.)
Pregunta 38
Pregunta
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.
Respuesta
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6-to-4
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Dynamic IP
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Teredo
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Dual stack
Pregunta 39
Pregunta
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.)
Respuesta
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Broadcast addressing
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Translation between IPv6 and IPv4
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Multicast to unicast translation
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Use of dual-stack routing
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Use tunneling protocols
Pregunta 40
Pregunta
What IPv6 address type is similar to an IPv4 private IP address and starts with FC00?
Respuesta
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Global address
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Loopback address
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Link-local address
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Unique local address
Pregunta 41
Pregunta
SMTP uses which of the following ports?
Respuesta
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UDP 53
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TCP 21
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TCP 23
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TCP 25
Pregunta 42
Pregunta
FTP uses which of the following ports?
Pregunta 43
Pregunta
Which of the following represents the port used by POP3?
Pregunta 44
Pregunta
Which of the following are true statements about TCP ports? (Select all that apply.)
Pregunta 45
Pregunta
Which of the following are true statements about ports? (Select all that apply.)
Respuesta
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DHCP uses UDP 67/68.
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DHCP uses TCP 67/68.
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SNMP uses UDP 161.
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DNS uses UDP 25.
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SNMP uses TCP 161.
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DNS uses UDP 53.
Pregunta 46
Pregunta
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… …:
Pregunta 47
Pregunta
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
Respuesta
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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.