Network Security

Which requirement of secure communications is ensured by the implementation of MD5 or SHA hash generating algorithms?​

• Authentication

• Integrity

• Confidentiality

• Non-Repudation

You have been asked to implement a data integrity program to protect data files that need to be electronically downloaded by the sales staff. You have decided to use the strongest hashing algorithm available on your systems. Which hash algorithm would you select?

• SHA-256

• AES

• SHA-1

• MD5

An administrator of a small data center wants a flexible, secure method of remotely connecting to servers.Which protocol would be best to use?

• Telnet

• Secure Shell

• Remote Desktop

• Secure Copy

A NIDS/NIPS has identified a threat. Which type of security data will be generated and sent to a logging device?

• Transaction

• Session

• Statical

• Alert

Which type of firewall makes use of a proxy server to connect to remote servers on behalf of clients?

• Stateful Firewall

• VPN

• Application Gateway Firewall

• NGFW

Which utility uses the Internet Control Messaging Protocol (ICMP)?

• PING

• ARP

• DNS

• DHCP

Which device is usually the first line of defense in a layered defense-in-depth approach?

• Server

• Access Layer Switch

• Internal Router

• Firewall

Which technique is necessary to ensure a private transfer of data using a VPN?

• Encryption

• Virtualization

• Authorization

• Tunneling

A user has created a new program and wants to distribute it to everyone in the company. The user wants to ensure that when the program is downloaded that the program is not changed while in transit. What can the user do to ensure that the program is not changed when downloaded?

• Distribute the program on a thumb drive.

• Turn off antivirus on all the computers.

• Encrypt the program and require a password after it is downloaded.

• Install the program on individual computers.

What are the two classes of encryption algorithms?

• Symmetric / Advance

• Open / Closed

• Advanced / Closed

• Symmetric / Asymmetric