WorksheetsIT INFRASTRUCTURE & NETWORK TECHNOLOGIES
Total questions: 59
Worksheet time: 40mins
What are the three key elements of security as defined in the document?
Availability, authentication, and privacy
Availability, confidentiality, and integrity
Authentication, authorization, and access control
Confidentiality, integrity, and authentication
According to the risk management overview, what should the effort in securing infrastructure correlate with?
The number of employees
The level of risk
The budget available
The type of technology used
Which of the following is NOT mentioned as a motivation for committing computer crimes?
Personal exposure
Financial gain
Environmental protection
Terrorism
In the context of the CIA triad, what does 'C' stand for?
Control
Confidentiality
Compliance
Consistency
What is the purpose of a risk list as described in the document?
To identify employee performance
To quantify risks associated with assets
To assess financial investments
To manage project timelines
What is the role of a quorum disk in a cluster environment?
To increase processing speed
To act as a backup for all nodes
To provide a voting mechanism for
cluster functionality
To store all applications
What is a key characteristic of a "hardened" operating system?
It includes all possible features.
It has been stripped down to essential services.
It requires frequent updates.
It is only accessible by super users.
How does increasing memory impact operating system performance?
It decreases system speed.
It allows for more applications to run simultaneously.
It has no effect on performance.
It leads to more crashes.
Why is it important to use hashed passwords in operating systems?
They can be easily retrieved.
They enhance user convenience.
They ensure the original password cannot be derived from the hash.
They require less storage space.
What does the term "failover clustering" refer to?
A method to backup data
automatically
A group of independent servers
running identical operating systems
A single server managing all applications
A technique for increasing memory
capacity
What are some examples of end user devices mentioned in the text?
Desktops, tablets, and smartphones
Only laptops and printers
Mainframe computers and servers
Mainframe computers and servers
How did teletypes function as end user devices?
They processed data independently.
They used monitor screens for instant output.
They served as user interfaces for early mainframes.
They connected to mobile networks.
What notable feature did the Apple Macintosh introduce in 1984?
The first laser printer
The first commercially successful personal computer to use a mouse and
GUI
The first desktop PC
The first mobile device
Why did IBM's Personal Computer (PC) become a standard in office environments?
It was the first computer to use the internet.
It allowed office workers full control
over their own computers.
It was the most expensive option
available.
It used proprietary software only.
How does Storage Area Network (SAN) differ from Network Attached Storage (NAS)?
SAN uses a shared file system
NAS provides unformatted disk blocks
SAN employs communication methods like iSCSI and Fibre Channel
NAS is exclusively for UNIX/Linux
systems
What are the advantages of laptops compared to desktop PCs?
Laptops are more powerful than desktops.
Laptops can be used on the go, making them more personal.
Laptops have unlimited battery life.
Laptops are less expensive than desktops.
What is the primary function of Network Attached Storage (NAS) as described in the text?
To provide unformatted disk blocks
To manage file services over a TCP/IP network
To create full backups of data
To enhance disk performance
What is a key feature of clustered NAS systems?
They operate on a single server.
They provide a distributed file system across multiple servers.
They do not support snapshots.
They can only access local storage.
What does Software Defined Storage (SDS) allow for in terms of resource management?
It consolidates all physical storage into a single system.
It requires specific hardware for each storage type.
It limits data services to only one type of storage.
It eliminates the need for backups.
In object storage, what happens to an object when it is modified?
It is directly changed in place.
The original object is deleted, and a new object is created.
It retains the same object ID.
It is archived automatically.
Which attack method is described as capturing sensitive information like passwords?
Phishing
Key Loggers
Network Sniffers
Baiting
What does the principle of 'Least Privilege' ensure in an organization?
Users have full access to all systems
Users can perform any task without restrictions
Users have the minimum privileges necessary for their tasks
Users can access data for an unlimited time
Which of the following methods is categorized under asymmetric key encryption?
Data Encryption Standard (DES)
Diffie-Hellman
RC4
Symmetric key encryption
What is a characteristic of hash functions mentioned in the document?
They can produce the same hash for different inputs
They transform data into a fixed-length string
They are designed to be reversible
They require a secret key to work
What is the primary disadvantage of asymmetric key encryption as noted in the document?
It is more secure than symmetric encryption
It is significantly slower than symmetric encryption
It cannot be used for data in transit
It requires multiple keys for each user
What security measure is recommended for end user devices to protect sensitive data?
Using only strong passwords
Installing malware protection and
encrypting hard disks
Disabling all software installations
Avoiding the use of public networks
What is a key challenge associated with mobile devices connecting to IT infrastructure?
High processing power
Fluctuating connection speeds and low reliability
Limited functionality
Incompatibility with applications
What does BYOD stand for, and what is its significance?
Bring Your Own Device; it allows employees to use personal devices for work.
Bring Your Own Data; it requires employees to use company data only.
Bring Your Own Disk; it mandates usage of specific storage devices.
Bring Your Own Desktop; it restricts employees to using company desktops.
What is a significant advantage of using Server Based Computing (SBC)?
Increased user independence
Centralized maintenance and instant
updates
Higher processing speeds at the user level
Enhanced physical security
What role do Multi-Functional Printers (MFPs) serve in an office environment?
They only print documents.
They function as printers, scanners, photocopiers, and fax machines.
They are used solely for faxing.
They are a replacement for
traditional printers.
What initiative was launched in 2002 to improve the stability and security of Windows?
Windows Update
Trustworthy Computing Initiative
Microsoft Security Essentials
Windows Defender
Which version of Windows is linked to the introduction of Active Directory?
Windows XP
Windows 95
Windows NT 4
Windows 2000
What is a common reason for Windows servers to crash more frequently than like UNIX?
Lack of user support
Need for backward compatibility
Limited hardware options
Shorter update cycles
What significant feature was introduced with Windows 95?
Task Manager
Start button
Control Panel
File Explorer
What year was the first version of Microsoft Windows released, and what operating system did it run on?
1990; Windows NT
1985; MS-DOS
1995; Windows 95
2002; Windows XP
What is the purpose of redundancy in Storage Area Networks (SANs)?
To increase storage capacity
To enhance data accessibility and
reliability
To simplify data management
To reduce costs associated with storage
What is a significant risk associated with synchronous replication?
Increased data loss during replication
Latency issues if the distance exceeds 100 km
Simplified data management
Automatic failover during failures
What does the 3-2-1 backup rule recommend?
Keep three backups on the same media type
Maintain three copies of data on two different media types, with one offsite
Use only one backup method
Perform backups once a month
Which backup scheme is characterized by saving only newly created or modified data since the last full backup?
Full backup
Incremental backup
Differential backup
Continuous Data Protection (CDP)
The three core goals of security, known as the CIA triad, are _____, integrity, and availability.
(a)
(a) attacks attempt to overload a service's infrastructure, causing disruption.
Risk management involves determining acceptable risk levels and (a) risks to those levels.
(a) encryption uses two mathematically related keys: a public key and a private key.
(a) involves using social skills to manipulate individuals into revealing sensitive information.
Windows NT was the first version of Windows designed for (a) .
The (a) Computing Initiative was launched in 2002 to enhance Windows security.
(a) disks are used in clusters to maintain a voting system.
A (a) operating system guarantees task performance within a predefined time frame.
A NAS, also known as a (a) , is a network device that provides a shared file system over a standard TCP/IP network.
Object storage manages data as (a) , where each object includes metadata and a globally unique identifier.
Software Defined Storage abstracts data and storage capabilities from the underlying (a) storage systems.
In object storage, data cannot be modified, meaning the original file must be deleted and a new file created, leading to a new (a) .
The first commercially successful personal computer to feature a mouse and a GUI was the (a) .
Mobile devices connect to the IT infrastructure using (a) networks.
A (a) printer produces high-quality text and graphics using toner.
A common approach to storage redundancy is (a) replication, where each write must be completed on both the active and passive storage systems before confirmation
Patching involves installing software updates to fix (a) and improve security.
In 1981, (a) introduced the Personal Computer (PC).
(a) techniques can be used to create isolated environments for personal and organizational data on a device.
