[Free] Download New Updated (February 2016) CompTIA SY0-401 Practice Tests 911-920

Ensurepass

QUESTION 911

An information bank has been established to store contacts, phone numbers and other records. An application running on UNIX would like to connect to this index server using port 88. Which of the following authentication services would this use this port by default?

 

A.

Kerberos

B.

TACACS+

C.

Radius

D.

LDAP

 

Correct Answer: A

 

 

QUESTION 912

A database administrator contacts a security administrator to request firewall changes for a connection to a new internal application. The security administrator notices that the new application uses a port typically monopolized by a virus. The security administrator denies the request and suggests a new port or service be used to complete the application’s task. Which of the following is the security administrator practicing in this example?

 

A.

Explicit deny

B.

Port security

C.

Access control lists

D.

Implicit deny

 

Correct Answer: C

 

 

QUESTION 913

Which of the following BEST describes a SQL Injection attack?

 

A.

The attacker attempts to have the receiving server pass information to a back-end database from which it can compromise the stored information.

B.

The attacker attempts to have the receiving server run a payload using programming commonly found on web servers.

C.

The attacker overwhelms a system or application, causing it to crash and bring the server down to cause an outage.

D.

The attacker overwhelms a system or application, causing it to crash, and then redirects the memory address to read from a location holding the payload.

 

Correct Answer: A

 

 

QUESTION 914

Digital signatures are used for ensuring which of the following items? (Select TWO).

 

A.

Confidentiality

B.

Integrity

C.

Non-Repudiation

D.

Availability

E.

Algorithm strength

 

Correct Answer: BC

 

 

QUESTION 915

Matt, an administrator, is concerned about the wireless network being discovered by war driving. Which of the following can be done to mitigate this?

 

A.

Enforce a policy for all users to authentic through a biometric device.

B.

Disable all SSID broadcasting.

C.

Ensure all access points are running the latest firmware.

D.

Move all access points into public access areas.

 

Correct Answer: B

 

 

QUESTION 916

A company wants to ensure that its hot site is prepared and functioning. Which of the following would be the BEST process to verify the backup datacenter is prepared for such a scenario?

 

A.

Site visit to the backup data center

B.

Disaster recovery plan review

C.

Disaster recovery exercise

D.

Restore from backup

 

Correct Answer: C

 

 

QUESTION 917

Which of the following are restricted to 64-bit block sizes? (Select TWO).

 

A.

PGP

B.

DES

C.

AES256

D.

RSA

E.

3DES

F.

AES

Correct Answer: BE

 

 

QUESTION 918

Public keys are used for which of the following?

 

A.

Decrypting wireless messages

B.

Decrypting the hash of an electronic signature

C.

Bulk encryption of IP based email traffic

D.

Encrypting web browser traffic

 

Correct Answer: B

 

 

QUESTION 919

Which of the following is a requirement when implementing PKI if data loss is unacceptable?

 

A.

Web of trust

B.

Non-repudiation

C.

Key escrow

D.

Certificate revocation list

 

Correct Answer: C

 

 

QUESTION 920

Which of the following is true about PKI? (Select TWO).

 

A.

When encrypting a message with the public key, only the public key can decrypt it.

B.

When encrypting a message with the private key, only the private key can decrypt it.

C.

When encrypting a message with the public key, only the CA can decrypt it.

D.

When encrypting a message with the public key, only the private key can decrypt it.

E.

When encrypting a message with the private key, only the public key can decrypt it.

 

Correct Answer: DE

 

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