WorksheetsNetwork Unit 3 Review Part 2
Total questions: 46
Worksheet time: 23mins
What does a physical network diagram contain?
Only the software components of a network
All the physical devices and connectivity paths on a network
Only the wireless components of a network
Only the logical connections in a network
What is the purpose of a Main Distribution Frame (MDF) in a network?
To provide Wi-Fi coverage
To connect equipment to cables and subscriber carrier equipment
To store backup data
To enhance network security
Which diagram helps in understanding how switches, UPS, and other network hardware are connected?
Floor Plan
Rack Diagram
Physical Network Diagram
Logical Network Diagram
What does an Intermediate Distribution Frame (IDF) provide in a network?
A distribution point for cables from MDF to individual cables connected to equipment positioned remotely
A backup for network data
A security layer for network connections
A power supply for network devices
What does a Logical Network Diagram illustrate?
The flow of information through the network
The electrical circuit system
The physical layout of a building
The organizational structure of a company
Which of the following is included in a Wiring Diagram?
Subnets and VLAN IDs
Terminal boards and connectors
Organizational charts
Network protocols
What is the purpose of a Site Survey in documentation?
To compile reports to organize information
To examine a location and report feasibility
To establish baseline configurations
To illustrate the flow of information
What should be clear and adequately defined in an Audit and Assessment Report?
The cost estimation
The language and terms
The electrical circuit system
The network protocols
What does a Baseline Configuration represent?
The expected "normal" performance level
The physical layout of a network
The cost estimation of a project
The flow of information through a network
What is the primary purpose of a Non-Disclosure Agreement (NDA)?
To outline the minimum level of services required
To identify and protect confidential information
To detail an agreement that may not be signed
To establish a partnership between two companies
Which agreement indicates the minimum level of services required between two parties?
Non-Disclosure Agreement (NDA)
Memorandum of Understanding (MOU)
Service-Level Agreement (SLA)
Partnership Agreement
What does a Memorandum of Understanding (MOU) typically involve?
A signed legal contract
An agreement that may not be signed
A detailed service level requirement
A confidentiality clause
What is the main topic of the second image?
Common Agreements
Device Redundancy
Service-Level Agreements
Non-Disclosure Agreements
What is the purpose of NIC Teaming?
To group NICs into teams
To divide requests among servers
To create alternative paths between devices
To provide backup connections
What is a function of load balancers?
To group NICs into teams
To prevent host bus adapter failure
To divide requests among several servers
To create virtual network adapters
What does MultiPath Input Output (MPIO) prevent?
NIC card failure
Host bus adapter failure
Server overload
Network adapter failure
What is created between CPU and storage devices in multipathing?
Virtual network adapters
Physical paths
Load balancers
NIC teams
What is one advantage of redundancy in a system?
Increases the reliability of the system
Reduces the cost of the system
Eliminates the need for backups
Decreases the complexity of the system
Which of the following is a disadvantage of redundancy?
It is not cost effective
It decreases system reliability
It eliminates backup needs
It simplifies system management
What does switch stacking allow in switch redundancy?
Many switches to run as a single switch
A single switch to run multiple networks
Switches to operate without power
Switches to connect to wireless networks
What protocol is used in router redundancy?
First-hop redundancy protocol (FHRP)
Last-hop redundancy protocol (LHRP)
Middle-hop redundancy protocol (MHRP)
End-hop redundancy protocol (EHRP)
What is a firewall cluster?
A group of firewall nodes
A single firewall device
A type of power supply
A network cable
Which of the following is an example of a firewall redundancy application?
Cisco Adaptive Security Appliance (ASA)
Uninterruptible Power Supply (UPS)
Dual power supply
Emergency generator
What is the purpose of a generator in power redundancy?
To provide emergency power supply
To increase internet speed
To cool down servers
To enhance data storage
What does an Uninterruptible Power Supply (UPS) provide?
Clean battery backup
Increased data bandwidth
Enhanced cooling system
Additional storage space
What should always be working in a facility to prevent damage to systems?
HVAC/fire suppression
Internet connection
Security cameras
Lighting system
According to ASHRAE standards, what is the temperature range for a class A1 data center?
59°F to 89.6°F
32°F to 50°F
70°F to 100°F
40°F to 60°F
What is the humidity range for a class A1 data center as per ASHRAE standards?
20% to 80%
10% to 50%
30% to 90%
40% to 70%
What is the significance of having fire suppression systems in a facility?
To prevent system damage during a fire
To increase data processing speed
To enhance network security
To improve lighting conditions
What is a characteristic of a cold site in terms of site resilience?
It is fully equipped with hardware.
It is an empty building where everything must be brought in.
It contains retired equipment.
It has a large room with rack space.
Which type of site is described as being between a cold and hot site?
Cold site
Hot site
Warm site
Backup site
What might a warm site contain that a cold site does not?
A large room with rack space
Fully operational equipment
Retired equipment
No equipment at all
What is a characteristic of a Hot Site in site resilience?
It is an extension of cloud backup services.
It is very inexpensive.
It includes the same hardware and software as the original site.
It is completely virtual.
What is a Cloud Recovery Site designed to do?
Be an exact replica of the original site.
Mimic the on-premises network but be completely virtual.
Use less hardware than a Hot Site.
Operate without any cloud services.
In an Active-Active server setup, what is true about the servers?
Only some servers are active.
It uses fewer resources.
Every server is active.
Load balancer only shares the load with active servers.
What happens in an Active-Passive server setup if a server goes down?
All servers become inactive.
A passive server is activated as a replacement.
The load balancer stops working.
More resources are used.
What is the primary function of ISP Redundancy?
To increase the speed of internet connections
To combine two ISPs using a separate router connection to each
To provide wireless internet access
To reduce the cost of internet services
Which protocol increases the availability and reliability of routing paths via automatic default gateway selections on an IP subnetwork?
ISP Redundancy
First-Hop Redundancy Protocol (FHRP)
Virtual Router Redundancy Protocol (VRRP)
Dynamic Host Configuration Protocol (DHCP)
What is the purpose of the First-Hop Redundancy Protocol (FHRP)?
To increase internet speed
To protect the default gateway used on a subnetwork by allowing 2+ routers to provide backup
To reduce network traffic
To encrypt data transmissions
What does Recovery Time Objectives (RTO) refer to in business impact analysis?
The maximum amount of data to lose
Goals for recovery
Average time until a system failure
Average time until a system has an irreparable failure
What is the definition of Recovery Point Objectives (RPO)?
The maximum tolerable amount of data to lose
Average time taken to restore a system
Average time until a system failure
Goals for recovery
What does Mean Time to Restore (MTTR) measure?
Average time until a system failure
Average time taken to restore a system
The maximum tolerable amount of data to lose
Goals for recovery
What is the meaning of Mean Time Between Failures (MTBF)?
Average time until a system has an irreparable failure
Average time until a system failure
Average time taken to restore a system
The maximum tolerable amount of data to lose
What does Mean Time to Failure (MTTF) indicate?
Average time until a system failure
Average time until a system has an irreparable failure
Average time taken to restore a system
Goals for recovery
What are the two separate actions mentioned in network backup and restoration?
Backing up data and configurations
Backing up data and the underlying system
Backing up configurations and user data
Backing up server configurations and user settings
What does a system state backup include according to the document?
Only user data
Only server configurations
Both user data and server configurations
Only application data
