Cop4858 Final Review - 52 Questions
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- 1.In the decimal or binary notations, the symbol used to represent a digit and the digit’s position in a string determines its ____.
- A.
Sign
- B.
Placement
- C.
Base
- D.
Value
- 2.____ occurs when the absolute value of a negative exponent is too large to fit in the bits allocated tostore it.
- A.
Rounding
- B.
Rotation
- C.
Overflow
- D.
Underflow
- 3.A(n) ____ is a set of related data values.
- A.
Pointer
- B.
List
- C.
Array
- D.
Record
- 4.A(n) ____ is a data structure that uses pointers so that list elements can be scattered among nonsequential storage locations.
- A.
Array
- B.
Queue
- C.
Linked list
- D.
Stack
- 5.During the ____ cycle of the CPU, data inputs are prepared for transformation into data outputs.
- A.
Execution
- B.
Store
- C.
Fetch
- D.
Wait
- 6.A ____ instruction copies data bits to storage locations and can copy data between any combination of registers and primary storage locations.
- A.
JUMP
- B.
LOAD
- C.
STORE
- D.
MOVE
- 7.An ____ is a template that specifies the number of operands and the position and length of the op code and operands.
- A.
Instruction format
- B.
Instruction template
- C.
Operation format
- D.
Operand template
- 8.When manipulating single-precision floating-point numbers, CPU performance is measured in ____.
- A.
Watts
- B.
MHZ
- C.
MFLOPS
- D.
MIPS
- 9.____ states that the cost of fabrication facilities for the latest chip generation doubles every four years.
- A.
Rick’s Law
- B.
Moore’s Law
- C.
Nelson’s Law
- D.
Lamb’s Law
- 10.____ is a generic term for describing secondary storage data transfer units.
- A.
Sector
- B.
Wafer
- C.
Cluster
- D.
Block
- 11.____ stores each bit by using a single transistor and capacitor.
- A.
Dynamic ROM
- B.
Static ROM
- C.
Dynamic RAM
- D.
Static RAM
- 12.The ratio of cache hits to read accesses is called the cache’s ____.
- A.
Hit ratio
- B.
Efficiency
- C.
Performance
- D.
Hit boundary
- 13.____ sensors capture input from special-purpose symbols placed on paper or the flat surfaces of 3D objects.
- A.
Dot and image
- B.
Mark and image
- C.
Mark and pattern
- D.
Image capture
- 14.PDF417 bar codes can hold around ____ of data.
- A.
1 KB
- B.
1 MB
- C.
1 GB
- D.
1 TB
- 15.A(n) ____ is the maximum number of bits or bytes per second that the channel can carry.
- A.
Minimum data transfer rate
- B.
Overhead data transfer rate
- C.
Net data transfer rate
- D.
Raw data transfer rate
- 16.As bit transmission speed is increased, the duration of each bit in the signal, known as the ____, decreases.
- A.
Bit time
- B.
Overhead
- C.
Block time
- D.
Modulation time
- 17.A(n) ____ extracts the data embedded in the signal it receives and retransmits a new signalcontaining the same data.
- A.
Repeater
- B.
Multiplexer
- C.
Amplifier
- D.
Booster
- 18.The ____ standard divides frequency bands in the 5.2, 5.7, and 5.8 GHz ranges into 12 channels.
- A.
802.11n
- B.
802.11g
- C.
802.11b
- D.
802.11a
- 19.The term ____ refers to the spatial organization of network devices, physical routing of network cabling, and flow of messages from one network node to another.
- A.
Network infrastructure
- B.
Network topology
- C.
Network path
- D.
Network interface
- 20.The ____ layer includes communication protocols used by programs that make and respond to high-level requests for network services.
- A.
Presentation
- B.
Data Link
- C.
Network
- D.
Application
- 21.The ____ layer forwards messages to their correct destinations.
- A.
Session
- B.
Data Link
- C.
Network
- D.
Data Link
- 22.The ____ layer is the interface between network software and hardware.
- A.
Session
- B.
Data link
- C.
Application
- D.
Network
- 23.IP accepts messages called ____ from Transport-layer protocols and forwards them to theirdestination.
- A.
Datagrams
- B.
Frames
- C.
Blocks
- D.
Packets
- 24.The written format of 128-bit IP addresses is called ____ notation.
- A.
Dotted decimal
- B.
Dotted hexadecimal
- C.
Colon decimal
- D.
Colon hexadecimal
- 25.At the sending node, the ____ layer’s role is to translate IP datagrams into a format that can be transported and forwarded over a specific physical network.
- A.
Application
- B.
Network Interface
- C.
Session
- D.
Transport
- 26.____ perform design activities to create models that produce an architectural blueprint for system implementation.
- A.
System developers
- B.
System architects
- C.
System managers
- D.
System engineers
- 27.The one-to-many (1:N) relationship between later-generation programming statements and the CPU actions implementing them is called ____.
- A.
Instruction explosion
- B.
Instruction expansion
- C.
Mnemonic explosion
- D.
Instruction compression
- 28.A ____ uses mnemonics to represent instructions, variables, and labels and has a degree of instruction explosion higher than 1:1.
- A.
Next-generation language
- B.
Second-generation language
- C.
Third-generation language
- D.
Fifth-generation language
- 29.A ____ is a source code instruction that controls the execution of other source code instructions.
- A.
Data declaration
- B.
Control structure
- C.
Data operation
- D.
Function call
- 30.____ linking is performed during program loading or execution.
- A.
Dynamic
- B.
Static
- C.
Early
- D.
Objective
- 31.Threads in the ____ are idle, pending availability of a CPU.
- A.
Ready state
- B.
Wait state
- C.
Hold state
- D.
Run state
- 32.The OS maintains a ____ and updates it each time a partition is allocated or freed.
- A.
Memory use table
- B.
Memory partition table
- C.
Memory map table
- D.
Memory control table
- 33.In virtual memory management, a ____ is a small fixed-size portion of a program, normally between 1 and 4 KB.
- A.
Block
- B.
Page
- C.
Sheet
- D.
Sheet
- 34.A reference to a page held in memory is called a ____.
- A.
Page hit
- B.
Page pull
- C.
Page miss
- D.
Page collision
- 35.The CPU maintains a ____ containing descriptors for all memory segments.
- A.
Local descriptor table
- B.
Page allocation table
- C.
Global definition table
- D.
Global descriptor table
- 36.A ____ is the unit of storage transferred between the device controller and memory in a single operation.
- A.
Virtual record
- B.
Physical record
- C.
Logical record
- D.
Hard record
- 37.Software implementing the Transport, Internet, and Network Interface layers of the TCP/IP model is commonly called a(n) ____.
- A.
Protocol stack
- B.
System stack
- C.
Conversion stack
- D.
Application stack
- 38.In static resource connections, the resource locator maintains a ____ containing the names and locations of known resources and services.
- A.
Network map registry
- B.
Local resource registry
- C.
System resource registry
- D.
Remote resource registry
- 39.All objects in an LDAP schema have a(n) ____ attribute.
- A.
Objectclass
- B.
Distinguished name
- C.
ObjectType
- D.
Common name
- 40.Active Directory clients rely on a ____ to locate Active Directory servers.
- A.
WINS server
- B.
DHCP server
- C.
BOOTP server
- D.
DNS server
- 41.With the ____ protocol, a process on one machine can call a process on another machine.
- A.
Remote Activation Call
- B.
Remote Procedure Call
- C.
Remote Execution Call
- D.
Remote Calling Convention
- 42.In DCE, the security server issues security “____” to each party that are exchanged to verify identities.
- A.
Tokens
- B.
Signatures
- C.
Keys
- D.
Tickets
- 43.____ is a collection of resources that can be accessed over the Internet by standard protocols, such as Hypertext Transfer Protocol (HTTP).
- A.
The World Wide Internet
- B.
An extranet
- C.
The World Wide Web
- D.
An intranet
- 44.____ specifies the middleware objects use to interact across networks.
- A.
COM+
- B.
LDAP
- C.
CIFS
- D.
CORBA
- 45.____ is a key supporting technology in IaaS because it enables a customer/user to configureapplication and system software for a generic platform as virtual servers and then deploy these servers to a third-party hosting site.
- A.
Hardware virtualization
- B.
Software virtualization
- C.
Network virtualization
- D.
System virtualization
- 46.____ are assets or resources expected to provide benefits beyond the current fiscal year.
- A.
Operating resources
- B.
System resources
- C.
Manage resources
- D.
Capital resources
- 47.The starting point for determining hardware requirements is the ____ that will run on the hardware platform.
- A.
Operating system
- B.
Application software
- C.
Transaction monitor
- D.
Database system
- 48.A ____ is a measure of computer system performance while executing one or more processing tasks.
- A.
Benchmark
- B.
Requirement
- C.
Standard
- D.
Watermark
- 49.A ____ is a program typically embedded in OS service routines that detects and reports processing activity or requests.
- A.
Program profiler
- B.
Transaction monitor
- C.
Software monitor
- D.
Limit monitor
- 50.A ____ describes the resource or service utilization of an application program during execution.
- A.
Transaction monitor
- B.
Program profiler
- C.
Software monitor
- D.
Limit monitor
- 51.A(n) ____ tracks the progress of complex client/server interactions.
- A.
Application firewall
- B.
Stateful firewall
- C.
Packet-filtering firewall
- D.
Proxy
- 52.In general, the humidity level of a room containing computer equipment should be near ____%.
- A.
15
- B.
25
- C.
40
- D.
50
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