MIS 200 Module 4 - 6

Viruses can only be transmitted through direct computer-to-computer contact.

A(n) ____ is often used so remote users have a secure connection to the organization's network

Confidentiality, integrity, and availability are collectively referred to as the CIA triangle.

A ____ is a programming routine built into a system by its designer or programmer.

An intrusion detection system can protect against both external and internal access.

Backup facilities should never be shared in an attempt to reduce costs.

____ refers to the accuracy of information resources within an organization.

Black hats are also known as ethical hackers.

Level 2 security involves ____.

A ____ travels from computer to computer in a network, but it does not usually erase data.

A firewall cannot reject an incoming packet, but instead sends a warning to the network administrator.

Level 3 security involves ____.

____ are computer security experts who specialize in penetration testing and other testing methods to ensure that a company's information systems are secure.

An ideal password should be eight characters or longer.

Which of the following is a type of access control?

Social engineering takes advantage of the human element of security systems.

A logic bomb is a type of ____.

____ is the process of capturing and recording network traffic.

Level 1 security protects the back-end systems to ensure confidentiality, accuracy, and integrity of data.

When using mirror disks, if one of the two disks containing the same data fails, the other disk also fails.

A distributed denial-of-service (DDoS) attack involves hundreds of computers working together to bombard a Web site with thousands of requests for information in a short period.

____ is a commonly used encryption protocol that manages transmission security on the Internet.

Which of the following is a physical security measure?

Part of ensuring integrity is identifying authorized users and granting them access privileges.

Data encryption transforms data into a scrambled form called ciphertext.

___ are usually placed in front of a firewall and can identify attack signatures and trace patterns.

In ____ encryption, the same key is used to encrypt and decrypt the message.

____ security measures use a physiological element to enhance security measures.

Corner bolts are secured to a computer at the power outlet.

Which of the following is a nonbiometric security measure?

____ ensures data security and integrity over public networks, such as the Internet.

____ encryption uses a public key known to everyone and a private key known only to the recipient.

The main advantage of asymmetric encryption is that it is faster and requires only a small amount of processing power.

Which of the following is a biometric security measure?

A ____ attack floods a network or server with service requests to prevent legitimate users' access to the system

Which of the following is considered an intentional threat?

The main function of the ____ model is to provide information on security incidents, including information systems' vulnerabilities, viruses, and malicious programs

Level 1 security involves ____.

____ means that computers and networks are operating and authorized users can access the information they need

____ are hackers who specialize in unauthorized penetration of information systems.

A ____ plan lists the tasks that must be performed to restore damaged data and equipment.

____ means that a system must prevent disclosing information to anyone who is not authorized to access it.

Application-filtering firewalls are less expensive than packet-filtering firewalls.

Typically, an organization leases the media used for a VPN on a(n) ____ basis.

Spoofing is sending fraudulent e-mails that seem to come from legitimate sources, such as a bank or university

A ____ is an inexperienced, usually young hacker who uses programs that others have developed to attack computer and network systems.

A ____ attack typically targets Internet servers.

A worm travels from computer to computer in a network, but it does not usually erase data

____ take advantage of the human element of security systems.

Many organizations now follow the ____ model to form teams that can handle network intrusions and attacks quickly and effectively.

Fiber-optic cables have a higher capacity, smaller size, lighter weight, lower attenuation, and higher security than other cable types.

Data communication technologies make, Web and video conferencing easier, which can reduce the costs of business travel.

In ____ processing, each department has its own computer for performing processing tasks.

A routing table lists ____.

What is the first step in client/server communication?

The most common n-tier architecture is the three-tier architecture.

When phone lines are used for Internet connections, a digital modem is necessary to convert a computer's digital signals to analog signals

In data communication, ____ refers to integrating voice, video, and data so that multimedia information can be used for decision making.

Ethernet is a standard communication protocol embedded in software and hardware devices used for building a LAN

Databases and input/output devices can be distributed.

____ cables are glass tubes surrounded by concentric layers of glass, called "cladding," to form a light path through wire cables

Protocols help ensure compatibility between different manufacturers' devices.

In the Open Systems Interconnection model, the session layer is responsible for formatting message packets.

Traditional mainframe networks use a ____ topology.

In the context of the technologies developed to improve the efficiency and quality of digital communications, ____ divide(s) each channel into six time slots.

Terrestrial microwave uses space-based transmitters and receivers and is often used for point-to-point links between buildings.

Communication media connect sender and receiver devices.

Many cables are required for a star topology

A network ____ represents a network's physical layout

____ media operate on line-of-sight.

In _____ data transmission, multiple pieces of data are sent simultaneously.

The process of deciding which path the data takes on a network is called ____.

The most common n-tier architecture involves ____ tiers.

Radiated media use an antenna for transmitting data through air or water

The amount of data that can be transferred from one point to another in one second is called ____.

Local area networks(LANs) are used most often to isolate resources.

Centralized processing is the primary configuration used in data communications today.

Within the ____ technique for wireless security, a user's computer and the AP use a master key to negotiate for a key that will be used for a session.

A wide area network can only use one type of communication media in the network - coaxial cables

The ____ topology is costly and difficult to maintain and expand.

It is important to separate an organization's core functions from the data communication systems that support them

Another name for a network interface card is a(n) ____.

The ____ layer of the OSI model serves as the window through which applications access network services.

Data transmission channels are generally divided into two types: broadband and narrowband.

In a point-to-point system, several devices share the same medium simultaneously.

The Transmission Control Protocol (TCP) operates at the OSI model's ____ layer.

A hierarchical topology is also called a ____ topology.

All Internet connections require a modem.

A bridge connects two LANs using the same protocol, and the communication medium must be the same on both LANs.

The ____ layer of the OSI model generates the receiver's address and ensures the integrity of messages by making sure packets are delivered without error, in sequence, and with no loss or duplication

A ____ network is a network operating on a radio frequency (RF), consisting of radio cells, each served by a fixed transmitter.

LANs are used most often to ____.

In the context of mobile networking, the 3G network has increased the quality of Internet Telephony or Voice over Internet Protocol.

Internet protocol is responsible for packet forwarding.

An Ethernet cable is used to connect computers, hubs, switches, and routers to a network.

____ scaling refers to adding more workstations (clients).

Wireless network traffic can be captured with sniffers.

In a bus topology, ____ are used at each end of the cable to absorb the signal.

____ is using a cellular phone outside of a carrier's limited service area.

The ring topology needs more cable than a star topology