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CompTIA Updated N10-008 Exam Questions and Answers by edwin

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CompTIA N10-008 Exam Overview :

Exam Name: CompTIA Network+ Exam
Exam Code: N10-008 Dumps
Vendor: CompTIA Certification: CompTIA Network+
Questions: 856 Q&A's Shared By: edwin
Question 64

Which of the following most likely occurs when an attacker is between the target and a legitimate server?

Options:

A.

IP spoofing

B.

VLAN hopping

C.

Rogue DHCP

D.

On-path attack

Discussion
Question 65

To find the best subnet mask that meets the requirement of six usable IP addresses, we need to calculate the number of host bits and the number of host addresses for each option. The number of host bits is the number of 0s in the binary representation of the subnet mask, and the number of host addresses is 2^host bits - 2 (the -2 is to exclude the network address and the broadcast address). The option that has the smallest number of host addresses that is greater than or equal to six is the best choice. Here are the calculations for each option:

Options:

A.

255.255.255.128

Binary: 11111111.11111111.11111111.10000000

Host bits: 7

Host addresses: 2^7 - 2 = 126 - 2 = 124

This option has too many host addresses for the requirement.

B.

255.255.255.192

Binary: 11111111.11111111.11111111.11000000

Host bits: 6

Host addresses: 2^6 - 2 = 64 - 2 = 62

This option also has too many host addresses for the requirement.

C.

255.255.255.224

Binary: 11111111.11111111.11111111.11100000

Host bits: 5

Host addresses: 2^5 - 2 = 32 - 2 = 30

This option has the smallest number of host addresses that is greater than or equal to six, so this is the best choice.

D.

255.255.255.240

Binary: 11111111.11111111.11111111.11110000

Host bits: 4

Host addresses: 2^4 - 2 = 16 - 2 = 14

This option has fewer host addresses than the requirement, so this is not a valid choice.

Discussion
Question 66

A network engineer is monitoring a fiber uplink to a remote office and notes the uplink has been operating at 100% capacity for a long duration. Which of the following performance metrics is MOST likely to be impacted with sustained link saturation?

Options:

A.

Latency

B.

Jitter

C.

Speed

D.

Bandwidth

Discussion
Question 67

Which of the following physical security methods Is the MOST effective to prevent tailgating?

Options:

A.

Biometrics in an access control vestibule

B.

IP cameras with motion detection

C.

Smart lockers with tamper protection

D.

Badge readers plus a PIN pad

Discussion
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