D412 Network Analytics and Troubleshooting - Set 5 - Part 1

Test your knowledge of technical writing concepts with these practice questions. Each question includes detailed explanations to help you understand the correct answers.

Question 1: What is the primary purpose of using a VLAN in a network?

To manage IP addresses

To create a network within a network for security and efficiency

To allocate bandwidth between users

To reduce the number of devices on a physical network

Question 2: What is the default port used for HTTP traffic?

443

Question 3: Which command on a Windows machine provides detailed information about the network interface, including its IP address, subnet mask, and gateway?

ipconfig /all

netstat -r

ping localhost

ifconfig

Question 4: What does ICMP stand for, and what is its primary function?

Internet Control Message Protocol, used for error reporting and diagnostics

Internal Control Messaging Protocol, used for file transfers

Interconnected Control Management Protocol, used for data transmission

Internet Control Messaging Protocol, used for routing updates

Question 5: Which of the following is an example of a distance-vector routing protocol?

OSPF

RIP

EIGRP

BGP

Question 6: What is the maximum theoretical throughput of an 802.11ac wireless network using Wave 2 devices?

1.3 Gbps

600 Mbps

867 Mbps

2.34 Gbps

Question 7: Which OSI layer is responsible for reliable end-to-end communication, error detection, and flow control?

Data Link layer

Transport layer

Network layer

Application layer

Question 8: What type of attack involves sending a flood of ICMP Echo Request (ping) packets to a target, overwhelming its ability to respond?

Phishing

ARP spoofing

Denial of Service (DoS)

SQL injection

Question 9: Which command is used to configure an access control list (ACL) on a Cisco router?

access-list

ip list add

route access

net access-config

Question 10: What is the purpose of the Network Address Translation (NAT) protocol?

To route traffic within a LAN

To assign MAC addresses to devices

To translate private IP addresses into public IP addresses

To encrypt network traffic

Question 11: Which protocol provides secure file transfers over a network by using encryption?

FTP

TFTP

SFTP

HTTP

Question 12: Which DNS record type is used to specify the mail server responsible for receiving email on behalf of a domain?

A record

MX record

CNAME record

PTR record

Question 13: What wireless technology allows a smartphone to communicate with a point-of-sale system by simply tapping the device on a sensor?

Bluetooth

NFC

Wi-Fi

Zigbee

Question 14: What protocol operates at the OSI Network layer and is responsible for routing packets across different networks?

ICMP

UDP

FTP

Question 15: What command displays the current routing table on a Windows system?

route print

ipconfig /route

netstat -r

tracert -r

Question 16: Which of the following protocols is used to send email from a client to a mail server?

HTTP

SMTP

FTP

IMAP

Question 17: What is the purpose of the IEEE 802.1Q standard?

To define VLAN tagging in Ethernet frames

To specify MAC addresses

To establish error checking in TCP segments

To manage IP address assignments

Question 18: Which OSI layer is responsible for formatting and presenting data to the application layer in a comprehensible way?

Presentation layer

Network layer

Transport layer

Application layer

Question 19: Which network command is used to display all active TCP connections and listening ports on a Windows machine?

ping

tracert

ipconfig

netstat -a

Question 20: Which routing protocol is classified as a hybrid protocol, combining aspects of both distance-vector and link-state routing?

OSPF

RIP

BGP

EIGRP

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