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NEW QUESTION # 111
What is one purpose of business continuity planning?
Answer: A
Explanation:
Business continuity planning defines how an organization will resume and sustain essential services after a disruption. In Information Technology, disruptions can include cyberattacks, power failures, natural disasters, hardware failures, and human error. A continuity plan documents roles, responsibilities, communication steps, alternative processes, and recovery procedures so operations can continue at an acceptable level. It typically includes priorities for restoring critical systems first, along with targets such as recovery time objective and recovery point objective. Preventive maintenance is important for reducing failures, but it is not the primary purpose of business continuity planning. Ethical policy consistency is part of governance and compliance, not continuity planning. Eliminating downtime for nonessential services is unrealistic and not a central goal; continuity focuses on maintaining or restoring critical functions, and nonessential systems may remain offline during recovery. Because the plan's purpose is to guide an organization in restarting services and operations after an incident, the correct answer is helping define how to resume services after a disruption.
NEW QUESTION # 112
Which piece of network equipment extends the cable range and allows connections to be made by increasing the signal strength?
Answer: C
Explanation:
A repeater extends cable range by regenerating or amplifying a signal so it can travel farther without degrading. In Information Technology networking, signals weaken over distance due to attenuation and interference. A repeater receives the incoming signal, cleans or reconstructs it, and then retransmits it at full strength. This allows network segments to exceed the normal maximum cable length limits for a given standard and helps maintain reliable communication. Repeaters are commonly associated with the physical layer of networking because they deal with signal transmission rather than packet routing or traffic decisions.
A switch operates mainly at the data link layer and forwards frames based on MAC addresses within a local network, but it does not primarily exist to boost signal strength. A router connects different networks and forwards packets using IP addressing and routing tables. A firewall is a security device that filters traffic based on rules to protect networks. Since the question focuses on increasing signal strength to extend range, the correct equipment is a repeater.
NEW QUESTION # 113
What does a router do?
Answer: D
Explanation:
A router manages network traffic by using a routing table to determine where data packets should be sent. In Information Technology networking, a router connects different networks, such as a home local network and the internet, and forwards packets based on destination IP addresses. The routing table contains information about known networks and the best path to reach them. This allows the router to direct traffic efficiently between networks and to serve as a gateway for devices on a local area network. Option A describes a server, which provides services like hosting websites or applications. Option C describes a repeater, which boosts or regenerates signals to extend cable distance. Option D describes a modem, which modulates and demodulates signals to convert between analog and digital forms for transmission over certain media. While modern home routers may also include switch and wireless access point features, the core routing function is traffic management using routing information. Therefore, the correct answer is the option describing maintaining a table and managing traffic, which is option B.
NEW QUESTION # 114
Which statement describes machine language?
Answer: D
Explanation:
Machine language is code expressed in the binary system and is the lowest-level set of instructions a computer can execute directly. In Information Technology, machine language instructions are made of bits, typically grouped into bytes or words, and each instruction corresponds to a specific operation supported by the CPU, such as loading data, performing arithmetic, comparing values, or branching to another instruction.
Because it is binary, machine language is not easily readable by humans and is highly dependent on the processor architecture, meaning code written for one CPU type may not work on another. Option A describes interpreted execution, where code may be processed line by line. Option B more closely matches assembly language, which uses mnemonic commands that correspond to machine instructions and can reference registers more directly than high-level code. Option D describes high-level programming languages. Since the defining feature of machine language is that it is represented in binary and executed directly by hardware, the correct description is code expressed in the binary system.
NEW QUESTION # 115
A programmer needs to create a variable that holds the brand name for a product in an inventory. What is the name of the data type that should be used?
Answer: B
Explanation:
A brand name is made up of multiple characters, so it should be stored as a character string. In Information Technology, a character string data type is used to store text values such as names, addresses, descriptions, and identifiers that consist of more than one character. Examples include Sony, Samsung, Dell, or Hewlett Packard. A character type would be limited to only one letter or symbol, which would not hold an entire brand name. Floating-point data types store numeric values with decimals, and Boolean data stores only two states such as true or false, so neither fits a text label like a brand name. Using a string type also allows the system to support searching, sorting, and matching operations for inventory reports and queries. In database design, this type is commonly implemented as VARCHAR or TEXT, depending on the expected length and usage.
Therefore, the correct data type for storing a product brand name is character string.
NEW QUESTION # 116
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