1101 2.4 Networked Host Services

Question 1

What is the primary function of a DNS server?

Answer 1

DNS servers translate fully qualified domain names (FQDNs) to IP addresses and vice versa.

Question 2

What does DHCP stand for and what is its purpose?

Answer 2

Dynamic Host Configuration Protocol (DHCP) automatically assigns and configures IP address settings on devices within a network.

Question 3

What protocol is commonly used by Windows systems to communicate with file servers?

Answer 3

Server Message Block (SMB).

Question 4

What role does a print server play in a network?

Answer 4

A print server connects printers to a network, allowing multiple users to access a centralized printing resource.

Question 5

What are the primary responsibilities of a mail server?

Answer 5

To send and receive emails for an organization.

Question 6

What is syslog used for in network environments?

Answer 6

To consolidate log files from various systems into a central database for easier monitoring and management.

Question 7

How do web servers function within a network?

Answer 7

Web servers handle requests from browsers, delivering web pages using protocols like HTTP or HTTPS.

Question 8

What does AAA stand for in the context of network services?

Answer 8

Authentication, Authorization, and Accounting.

Question 9

What is the purpose of a spam gateway?

Answer 9

To filter out unsolicited and potentially harmful email content before it reaches users.

Question 10

What functions does a Unified Threat Management (UTM) device perform?

Answer 10

Combines multiple security features like firewall, spam filtering, intrusion detection, and content filtering into a single device.

Question 11

How do load balancers improve network efficiency?

Answer 11

By distributing incoming network traffic across multiple servers to ensure no single server is overwhelmed.

Question 12

What is the main role of a proxy server in a network?

Answer 12

To intermediate requests from clients seeking resources from other servers, adding a layer of security and control.

Question 13

What are SCADA systems primarily used for?

Answer 13

Managing and controlling industrial processes like power generation and manufacturing.

Question 14

What types of devices are considered Internet of Things (IoT) devices?

Answer 14

Devices that connect to a network to offer automated or remote control over functions, such as smart thermostats and security systems.

Question 15

Why might legacy systems still be maintained in modern data centers?

Answer 15

Due to their critical roles in certain operations despite being outdated in technology.

Question 16

What challenges are associated with managing embedded systems in data centers?

Answer 16

Limited access to operating systems and reliance on manufacturers for updates and support.

Question 17

How does DHCP provide redundancy in enterprise environments?

Answer 17

By deploying multiple DHCP servers to ensure availability even if one server fails.

Question 18

Describe a typical use of file servers in an enterprise environment.

Answer 18

To provide a centralized location for storing and accessing files across the organization.

Question 19

How can a mail server’s downtime impact an organization?

Answer 19

It can disrupt communication across the organization, affecting productivity and operations.

Question 20

Why are authentication servers considered critical resources?

Answer 20

They centralize login credentials, granting or denying access to various network resources.

Question 21

What are some security protocols used by print servers?

Answer 21

Common protocols include SMB, IPP (Internet Printing Protocol), and LPD (Line Printer Daemon).

Question 22

What is the purpose of having a spam folder in email clients?

Answer 22

To automatically segregate unsolicited and potentially harmful emails from regular inbox items.

Question 23

How do IoT devices contribute to smart home functionality?

Answer 23

By allowing remote or automated control over home systems and appliances via network connections.

Question 24

What is the importance of load balancing in maintaining server uptime?

Answer 24

It prevents any single server from becoming a bottleneck, ensuring efficient handling of requests.

Question 25

What are the advantages of using a proxy server in terms of internet access?

Answer 25

Enhances security, provides content filtering, and allows for controlled access to the internet.