Strata 10 Review

____is a public key encryption system that can verify the authenticity of an e-mail sender and encrypt e-mail data in transmission

____is a specialized storage device or group of storage devices that provides centralized fault-tolerant data storage for a network

In____, a hacker forges name server records to falsify his host's identity

A security policy should state exactly which hardware, software, architecture, or protocols will be used to ensure security.

A____attack occurs when a system becomes unable to function because it has inundated with requests for services and can't respond to any of them.

A program that disguises itself as something useful but actually harms your system is called____

____is intended to eliminate single points of failure

____is a method of encrypting TCP/IP transmissions above the network layer

A____attack occurs when a hacker uses programs that try a combination of a user ID and every word in a dictionary to gain access to the network

In____, both computers verify the credentials of the other

A(n)____is a password-protected and encrypted file that holds an individual's identification information, including a public key

____scanning detects malware by comparing a file's content with known malware signatures in a signature database

A router that is not configured to drop packets that match certain or suspicious characteristics is an example of a risk associated with____.

____is an automatic distribution of traffic over multiple links or processors is used to optimize response

The goal of fault-tolerant systems is to prevent failures from progressing to faults

A____firewall is a router (or a computer installed with software that enables it to act as a router) that examines the header of every packet of data it receives to determine whether that type of packet is authorized to continue to its destination.

A(n)____virus disguises itself as a legitimate program to prevent detection

When implementing anti-malware software on a network, one of your most important decisions is where to install the software

____is a fault-tolerance technique that links multiple servers together to act as a single server

RADIUS and TACACS belong to a category of protocols known as AAA (____).

A____main function is to examine packets and determine where to direct them based on their Network layer addressing information

____scanning techniques attempt to identify malware by discovering "malware-like" behavior

A(n)____UPS uses the A/C power from the wall outlet to continuously charge its battery, while providing power to a network device through its battery

Power that is free from noise is called "____" power

By default, the 802.11 standard offers substantial security

Generators provide surge protection

Encryption is the last means of defense against data theft

____Web sites are locations on the internet that dynamically duplicate other locations on the Internet, to ensure their continual availability

The combination of a public key and a private key is known as a____

____is a social engineering practice in which a person attempts to glean access or authentication information by posing as someone who needs that information

A____attack occurs when an internet chat user sends commands to a victim's machine that causes the screen to fill with garbage characters and requires the victim to terminate their chat session.

A(n)____is a deviation from a specified level of system performance for a given period of time.

The use of certificate authorities to associate public keys with certain users is known as____

In a ____attack, a person redirects or captures secure transmissions as they occur

____detects malware by comparing current characteristics of files and disks against an archives version of these characteristics to discover any changes

Protection against harmful code involves more than just installing anti-malware software

____are distinct networks of storage devices that communicate directly with each other and with other networks

A____attack occurs when a hacker tries numerous possible character combinations to find the key that will decrypt encrypted data

A____is a program that runs automatically, without requiring a person to start or stop it

____are programs that run independently and travel between computers and across networks

An anti-malware policy is meant to protect the network from damage and downtime

A group of hard disks is called a____

A VPN____authenticates VPN clients and established tunnels for VPN connections

Human errors, ignorance, and omissions cause more than half of all security breaches sustained by networks

____software searches a node for open ports

A(n)____virus changes its characteristics every time it is transferred to a new system

A NOS that contains a "back door" is an example of a risk associated with____.

____protocols are the rules that computers follow to accomplish authentication

Network security is more often compromised "from the inside" than from external sources

Mesh topologies and____topologies are good choices for highly available enterprise networks.