Archives: Quiz

Personal information management (PIM) software handles contact information, appointments, task lists, and email. Call scripting occurs when customer service representatives answer customer inquiries and solve problems by email and IMing. Answer: FALSE Feedback: A contact center or call center is […]

Simplelocker is a new ransomware program that encrypts your personal files and demands payment for the files’ decryption keys. Business processes should never drive MIS choices and should be based on business strategies and goals. Answer: FALSE Feedback: Business processes […]

Fault tolerance is an exact copy of a system’s information. Epolicies are policies and procedures that address information management along with the ethical use of computers and the Internet in the business environment. Answer: TRUE Feedback: This is the definition […]

Tiffany & Company competes in the marketplace by offering high-cost custom jewelry. Tiffany & Company is following a broad market and cost leadership strategy. Maintainability means the system quickly transforms to support environmental changes. Answer: TRUE Feedback: Maintainability means the […]

Outsourcing is a common approach using the professional expertise within an organization to develop and maintain the organization’s information technology systems. Capacity planning determines future environmental infrastructure requirements to ensure high-quality system performance. Answer: TRUE Feedback: Capacity planning determines future […]

BPSK modulation uses two ________. A) amplitudes B) frequencies C) phases D) none of the above Which is NOT one of the three parts of a public IPv6 unicast address? A) subnet ID B) routing prefix C) host part D) […]

To connect to an access point, you must know its ________. A) SSID B) EUI-48 address C) IP address D) Wi-Fi ID A password-cracking attack that tries all combinations of keyboard characters is called a ________. A) dictionary attack B) […]

Convert a decimal number 15 to the binary number. A) It is a binary number. B) 1100 C) 1101 D) 1111 Four-way closes use ________ segments. A) FIN B) RST C) either A or B D) neither A nor B […]

BPSK uses ________ phase levels. A) 2 B) 4 C) 8 D) 15 Which of the following layers has more standards than the other three layers? A) data link B) Internet C) transport D) application Answer: D Actions that people […]

IP is reliable because of ________. A) echo and echo reply messages B) error advisement messages C) both A and B D) neither A nor B MPLS routers base their decisions on a packet’s ________. A) destination IP address B) […]

In a four-step close, which side transmits a FIN segment? A) the side that initiates the close B) the other side C) either side D) neither side If your subnet part is 8 bits long, you can have ________ subnets. […]

________ is a technique for preventing two wireless stations from transmitting at the same time and therefore interfering with each other. A) Creating extended service sets B) Roaming C) The distribution system D) Media access control The password “NeVEr” can […]

What propagation problem becomes worse as there is a large and dense object between sender and receiver? A) multipath interference B) shadow zones or dead zones C) both A and B D) neither A nor B Which of the following […]

In IP subnet planning, you need to have at least 130 subnets. How large should your subnet part be? A) 6 B) 7 C) 8 D) none of the above Which of the following uses OFDM? A) 802.11ac B) 802.11n […]

In what mode of 802.11i operation is a central authentication server used? A) 802.1X mode B) PSK mode C) both A and B D) neither A nor B E-mail bodies that have non-English text use ________. A) RFC 822 and […]

To make a forwarding decision, a router looks at the arriving packet’s ________. A) destination IP address B) destination EUI-48 address C) both A and B D) MAC addresses Which of the following can spread more rapidly? A) directly-propagating viruses […]

Express the mask /18 in dotted decimal notation. A) 255.0.0.0 B) 255.255.0.0 C) 255.255.255.0 D) none of the above Users are primarily concerned with the ________ layer. A) application B) transport C) internet D) physical Answer: A Explanation: A) Users […]

________ are full programs. A) Viruses B) Worms C) both A and B D) neither A nor B An EUI-48 address was formerly called a(n) ________ address. A) IPv4 B) IPv6 C) MAC D) DNS Answer: C What type of […]

Spread spectrum transmission is used in WLANs for ________. A) higher transmission speed B) more reliable transmission C) greater security D) more efficient transmission ACLs are used for packets in the ________ state. A) connection-opening B) ongoing communication C) both […]

LAN speeds are faster than WAN speeds. This is because of ________. A) technological limitations B) regulatory limitations C) slow corporate adoption of newer WAN technologies D) economic reasons Throughput is ________. A) the speed a network actually provides to […]

In IPv6, the payload length gives the number of octets in the ________. A) entire packet B) entire packet minus the main header C) entire packet minus the main and extension headers D) entire packet minus the extension headers A […]

7,000 bps can also be written as ________. A) 7 Kbps B) 7 Mbps C) 7 Gbps D) none of the above Creating effective backup links in RSTP is ________. A) completely automatic B) simple and largely automatic C) difficult […]

Strong security is needed to ________. A) collect information from remote switches B) reconfigure remote switches C) have a MIB D) reduce total costs If more users move to an access point, this decreases ________. A) individual throughput B) aggregate […]

Priority addresses the problem of ________. A) momentary traffic peaks B) chronic under-capacity C) both A and B D) neither A nor B The Trojan horse placed on the first compromised GHOSTNET client could ________. A) conduct audio and video […]

For Netflix, ________ is a(n) ________, and ________ is a(n) ________. A) Google, IaaS, AWS, IaaS B) Google, SaaS, AWS, SaaS C) Google, IaaS, AWS, SaaS D) Google, SaaS, AWS, IaaS When a firewall policy server is used to manage […]

In HTTP, the end of a header field is usually indicated by a ________. A) bit position B) CRLF C) colon D) blank line After the data link layer process does encapsulation, it passes the IP packet to the ________ […]

Which of the following is NOT one of the four major security planning principles? A) perimeter defense B) risk analysis C) comprehensive security D) defense in depth The router selects a row in which the next-hop router is labeled local. […]

Client PCs must have digital certificates in ________. A) transport mode B) tunnel mode C) both A and B D) neither A nor B Skype offers ________. A) free calling among Skype customers B) free calling to and from Public […]

For ADSL service, which of the following typically must be added to the telephone system? A) a DSLAM B) a transmission line to the customer premises C) both A and B D) neither A nor B The path that a […]

In this book, we use the terms Ethernet and 802.3 interchangeably. Incompatibilities between signaling systems in United States and Europe cause serious problems. Answer: FALSE In NFC, an attacker several meters away cannot read the transaction. Answer: FALSE Message units […]

The _________ accepts the message submitted by an MUA and enforces the policies of the hosting domain and the requirements of Internet standards. ___________ provides a low-cost, easily scalable approach to achieving very high data rates and is used in […]

Two types of transmission media recently gaining in popularity in business communications are __________ connections and fiber optic cables. The antenna systems on or near the earth are referred to as earth _________ . Answer: stations Four categories of virtualization […]

A widely used first-generation system was the ______________, which was widely used in North and South America, Australia, and China through the 1980s and into the 2000s. A _________ is an on-premise telephone switch, owned or leased by an organization […]

Today, all networked information is sent using digital formats. The five header fields defined in MIME are: MIME version, content-type, content-transfer-encoding, content-ID, and ___________. Answer: content-description Communications technologies using data networks have essentially replaced telephone networks in today’s business settings. […]

Features of ________ include mailing lists, return receipts, and forwarding. One of the advantages of having a bottom up approach to building a LAN is that individual managers are very close to the group and therefore understand the needs of […]

Commercial use of the Internet was discouraged until approximately 1988. In order to compensate for synchronization problems, another type of encoding method called biphase can be employed; these methods place a clock pulse within the data stream. Answer: T SMTP […]

Nondigital __________ systems use a continuous range of values to represent Information. A __________ is a security service that monitors and analyzes system events for the purpose of finding, and providing real-time or near-real-time warning of, attempts to access system […]

A broadcast recipient address means that all devices connected to the LAN are to receive the message. The data plus preamble, postamble, and control information are called a _________. Answer: frame Error detection requires that extra bits be introduced into […]

Congestion recovery procedures are used to preserve the network during instances of high congestion when the network has begun to drop frames. The most important service an ISP provides is access to other _________ networks. Answer: ISP Sliding window is […]

The traditional client/server architecture involves two levels, or tiers: a client tier and a _________ tier. The type of network commonly used at business premises is called a __________. Answer: Local Area Network (LAN) __________ binding means that a logical […]

The three key objectives of computer security are confidentiality, integrity, and availability. It is desirable to have only one path from sender to receiver to avoid excess costs. Answer: F ________ is an Internet-based standard and is the framework for […]

__________ are the termination points for all of the cabling and where the networking equipment will be located. __________ is preserving authorized restrictions on information access and disclosure, including means for protecting personal privacy and proprietary information. Answer: Confidentiality __________ […]

IPv6 allows three types of addresses: unicast, anycast, and _________. IPSec provides authentication, encryption, and key exchange functions. Answer: T A malfunctioning device can create a _________ , in which numerous broadcast frames clog the network and crowd out legitimate […]

Common examples of data include text and numerical information. A _________ is a facility that provides a data transfer service among devices attached to the network. Answer: Communication network A hub uses a ________ wiring arrangement to attach stations to […]

Logical connections in ATM are referred to as __________. ________ is used in fiber-to-the-home (FTTH) systems. Answer: WDM (wavelength-division multiplexing) System response time and system cost are closely related to each other. Answer: T The higher the ________ rate, the […]

____________ integrates with the operating system of a host computer and monitors program behavior in real time for malicious actions and then blocks potentially malicious actions before they have a chance to affect the system. Switching nodes are devices that […]

Two types of distributed data processing are horizontal and _________ partitioning. A router is a more complex intermediate system than a bridge. Answer: T A stealth virus is explicitly designed to hide itself from detection by antivirus software. Answer: T […]

Back-end networks are used in situations where a few large computers must be connected for low-volume data transfers. ARPANET was the first message-switching network. Answer: F VoIP, streaming audio, and streaming video are considered _________ applications even though each involves […]

Ethernet requires that each segment be no more than ___________ in length, including the installed cabling and patch cables at either end, for 10-Mbps and 100-Mbps transmissions. When using analog communications, channel capacity is measured in hertz (Hz) where 1 […]

The cell loss priority within the ATM cell is similar to the DE bit in Frame Relay. The use of Carrier Ethernet technologies to create metropolitan area networks (MANs) is most commonly called _________. Answer: Metro Ethernet The simplest form […]