28 Questions
What type of cables may WANs use for connections?
Copper wires, Fiber optic cables, Wireless transmissions
Which of the following is NOT a way to connect users and organizations to the internet?
Bluetooth routers
What is an extranet primarily used for?
To securely provide network access to external parties
Which type of internet access is typically used by home users and small offices?
Broadband digital subscriber line (DSL)
What organization developed alongside IETF and IAB to maintain structure on the internet?
ICANN
Which type of internet connection runs over a telephone line?
DSL connection
What is the main purpose of a logical topology diagram?
Show the addressing scheme of the network
What characterizes a Wide Area Network (WAN) compared to a Local Area Network (LAN)?
WANs have slower speed links between LANs
Which type of network connects hundreds of millions of computers worldwide?
World Wide Networks
Who typically administers a Local Area Network (LAN)?
A single organization or individual
What are examples of external threats to network security mentioned in the text?
Denial of service attacks and identity theft
Which security component should be used to block unauthorized access to a network?
Access control lists (ACL)
What is one of the security requirements for larger networks mentioned in the text?
Dedicated firewall system
How should network security be implemented according to the text?
Implementing security in multiple layers using more than one security solution
What is a common internal threat to network security?
Lost or stolen devices
Where should antivirus and antispyware software be installed according to the text?
On end devices
What is the primary purpose of Quality of Service (QoS) in a network?
To ensure reliable delivery of content for all users
Which aspect is NOT one of the three main goals of network security mentioned in the text?
Scalability
What are the two main types of network security that must be addressed according to the text?
Network infrastructure security and physical security of network devices
Why is network security considered an integral part of networking according to the text?
To ensure timely and reliable access to data for authorized users
Which statement best describes the relationship between network security and Quality of Service (QoS)?
Network security must be implemented without compromising the expected quality of service
What is one of the goals of network security related to data transmission integrity?
Assurance that data has not been altered during transmission
What are the four basic characteristics that underlying network architectures need to address to meet user expectations?
Fault Tolerance, Scalability, Quality of Service, Security
What does a fault tolerant network aim to achieve?
Limit the number of affected devices in case of a failure
What is the key difference between packet-switched and circuit-switched networks in terms of routing?
Packet-switched networks allow each packet to take a different path
What is an essential characteristic of a scalable network?
It follows accepted standards and protocols to expand quickly
Why does a high demand for bandwidth cause constant breaks and pauses in live video transmissions?
When there is higher demand than available bandwidth
What can be inferred about the impact of circuit-switched networks compared to packet-switched networks?
Packet-switched networks have more efficient routing
Test your knowledge on the key characteristics of network architecture including fault tolerance, scalability, quality of service (QoS), and security. Explore how these attributes are crucial for meeting user expectations in network infrastructure.
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