D412 Network Analytics and Troubleshooting - Set 1 - Part 2

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

Question 21: At what OSI Layer are most LAN and WAN protocols defined?

Layer 1

Layer 2

Layer 3

Layer 7

Question 22: Which cellular technology is widely implemented across the globe?

CDMA

TDMA

GSM

LTE

Question 23: Which type of DNS record is used for spam control?

A record

MX record

CNAME record

TXT record

Question 24: What do you configure in DHCP to add the address of the default gateway and DNS server?

Lease options

Server options

Scope options

Client options

Question 25: What connector type is used for ordinary telephone cables?

RJ-11

RJ-45

BNC

DB-9

Question 26: Which twisted pair cable category is a cheaper alternative to using CAT 6?

CAT 3

CAT 5e

CAT 7

CAT 8

Question 27: What is a generic network term that can either refer to a software switch or any device that connects dissimilar network segments?

Switch

Router

Bridge

Gateway

Question 28: RADIUS, TACACS, and TACACS+ are all examples of what type of security system?

Intrusion detection

Authorization

Authentication

Accounting

Question 29: What is the name for the thin layer that sits between the hardware and operating system and controls the virtual environment?

Hypervisor

Container

Kernel

Emulator

Question 30: How many B and D channels does Primary Rate Interface (PRI) ISDN have?

23 B, 1 D

30 B, 1 D

10 B, 2 D

16 B, 1 D

Question 31: What type of demarc allows a telco to conduct remote diagnostics on your phone line?

Smart jack

Punch-down block

Patch panel

Cross-connect

Question 32: What type of diagram shows the placement of devices in an equipment rack?

Topology diagram

Floor plan diagram

Rack diagram

Network diagram

Question 33: What term refers to the expected time for a device or system to be back in service after a failure?

Mean Time to Repair (MTTR)

Mean Time Between Failures (MTBF)

Recovery Point Objective (RPO)

Service Level Agreement (SLA)

Question 34: What type of security system examines the logs of many network devices, looking for event correlation and trends?

Intrusion Detection System (IDS)

Security Information and Event Management (SIEM)

Network Access Control (NAC)

Data Loss Prevention (DLP)

Question 35: A site-to-site VPN between two routers typically uses which VPN protocol?

L2TP

IPSEC

SSL

PPTP

Question 36: Uncontrolled use of proprietary software can lead to what type of violations?

Bandwidth violations

Service Level violations

Licensing restrictions

Firewall violations

Question 37: Traditional biometrics (something you are) have been extending to include what authentication factor?

Something you know

Something you do

Something you have

Something you read

Question 38: What two encryption protocols are used in WPA2?

TKIP and WEP

AES and CCMP

DES and RC4

RSA and SHA

Question 39: What key management protocol was introduced in WPA?

AES

TKIP

CCMP

IPSec

Question 40: What type of attack replaces good ARP cache entries with malicious ones?

DNS spoofing

ARP poisoning/spoofing

Man-in-the-middle attack

Buffer overflow

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