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Network Engineer Online Test

The Network Engineer Test uses scenario-based multiple choice questions to evaluate candidates on their technical knowledge and practical skills related to computer networking, including topics such as network protocols, network architecture, network security, IP addressing, subnetting, routing, switching, WAN technologies, network troubleshooting, and network management. The test aims to assess candidates' proficiency in designing, implementing, and maintaining complex network infrastructures that support the communication and data transfer needs of modern organizations, as well as their ability to diagnose and resolve network issues efficiently and effectively.

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Screen candidates with a 30 mins test

Test duration:  30 mins
Difficulty level:  Moderate
Availability:  Ready to use
Questions:
  • 15 Computer Networks MCQs
Covered skills:
Network protocols
Network security
Routing and switching
Network troubleshooting
Wireless networking
Network design
Network management
TCP/IP
LAN/WAN
Network performance optimization
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Use the Network Engineer Test to shortlist qualified candidates

The Network Engineer Online Test helps recruiters and hiring managers identify qualified candidates from a pool of resumes, and helps in taking objective hiring decisions. It reduces the administrative overhead of interviewing too many candidates and saves time by filtering out unqualified candidates at the first step of the hiring process.

The test screens for the following skills that hiring managers look for in candidates:

  • Knowledge of network protocols
  • Understanding of network security concepts
  • Proficiency in routing and switching
  • Ability to troubleshoot network issues
  • Experience in wireless networking
  • Capability to design efficient networks
  • Familiarity with network management
  • Expertise in TCP/IP
  • Understanding of LAN/WAN technologies
  • Knowledge of network performance optimization
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Screen candidates with the highest quality questions

We have a very high focus on the quality of questions that test for on-the-job skills. Every question is non-googleable and we have a very high bar for the level of subject matter experts we onboard to create these questions. We have crawlers to check if any of the questions are leaked online. If/ when a question gets leaked, we get an alert. We change the question for you & let you know.

How we design questions

These are just a small sample from our library of 15,000+ questions. The actual questions on this Network Engineer Test will be non-googleable.

🧐 Question

Medium

Mac address and IP on router hop
Routers
Switches
Solve
Refer to the following exhibit:
 image
Host A is sending a packet to Host B. 

1. What is the source and destination MAC address at point PA?
2. What is the source and destination IP address at point PB?
// Option A
PA: source MAC - Mac-A
PA: destination MAC - Mac-B
PB: source IP - 192.168.1.1
PB: destination IP - 192.168.3.1

// Option B
PA: source MAC - Mac-A
PA: destination MAC - Mac-RA
PB: source IP - 192.168.3.3
PB: destination IP - 192.168.3.1

// Option C
PA: source MAC - Mac-A
PA: destination MAC - Mac-B
PB: source IP - 192.168.3.3
PB: destination IP - 192.168.3.1

// Option D
PA: source MAC - Mac-A
PA: destination MAC - Mac-RA
PB: source IP - 192.168.1.1
PB: destination IP - 192.168.3.1

Easy

MX Record, DMARC and Email Authentication
DNS
MX Records
DMARC
SPF
DKIM
Solve
You work as a network administrator for a company, "example.com", that recently started experiencing issues with email spoofing. To mitigate the problem, you decide to implement DMARC (Domain-based Message Authentication, Reporting & Conformance) in addition to existing SPF (Sender Policy Framework) and DKIM (DomainKeys Identified Mail) records.

Your current DNS records for example.com include the following:

- MX 10 mail.example.com (IP address 203.0.113.10)
- TXT "v=spf1 ip4:203.0.113.10 -all"
- TXT "v=DKIM1; k=rsa; p=public-key-here"

You add the following DMARC record:

- TXT "_dmarc.example.com" "v=DMARC1; p=quarantine; pct=100; rua=mailto:report@example.com"

After implementing the DMARC record, an external mail server sends an email to your domain. The email passes the SPF and DKIM checks but fails the DMARC check.

What will likely happen to the email?
A: The email will be accepted and delivered to the recipient's inbox.
B: The email will be rejected and returned to the sender as undeliverable.
C: The email might be delivered to the recipient's spam or junk folder.
D: The email will be accepted, but a report will be sent to the sender.
E: The email will be silently discarded, and the sender will not be notified.

Medium

Remote network resources
Gateway
Routing protocols
Solve
Review the following exhibit:
 image
Angelina noticed that the computers on 192.168.10.0/24 network can ping their default gateway. But they found that these computers cannot connect to any remote network resources. Which of the following is the most likely reason for this?

Medium

SSL Certificate Expiry
SSL/TLS
Network Security
Solve
You are a network administrator for an e-commerce company. The company's online store allows customers to browse products and make purchases securely over the internet. The online store uses SSL/TLS for secure communication. You receive reports that some customers are seeing a security warning in their web browsers when trying to access the online store. Upon investigation, you discover the following information:

- The SSL certificate used by the online store's web server is valid for one year and is due to expire in two days.
- The web server is configured to automatically redirect HTTP traffic to HTTPS.
- The SSL certificate was issued by a trusted certificate authority (CA), and all major web browsers have the CA's root certificate in their trusted certificate stores.
- The SSL certificate includes the correct domain name for the online store.

Given the above information, which of the following steps should be taken to resolve the issue and prevent customers from seeing the security warning?
A: Extend the validity of the current SSL certificate by one year.
B: Obtain a new SSL certificate from the same CA and install it on the web server before the current certificate expires.
C: Remove the automatic redirect from HTTP to HTTPS on the web server.
D: Ask customers to ignore the security warning and proceed to the online store.
E: Replace the SSL certificate with a self-signed certificate.
🧐 Question🔧 Skill

Medium

Mac address and IP on router hop
Routers
Switches

2 mins

Computer Networks
Solve

Easy

MX Record, DMARC and Email Authentication
DNS
MX Records
DMARC
SPF
DKIM

2 mins

Computer Networks
Solve

Medium

Remote network resources
Gateway
Routing protocols

3 mins

Computer Networks
Solve

Medium

SSL Certificate Expiry
SSL/TLS
Network Security

2 mins

Computer Networks
Solve
🧐 Question🔧 Skill💪 Difficulty⌛ Time
Mac address and IP on router hop
Routers
Switches
Computer Networks
Medium2 mins
Solve
MX Record, DMARC and Email Authentication
DNS
MX Records
DMARC
SPF
DKIM
Computer Networks
Easy2 mins
Solve
Remote network resources
Gateway
Routing protocols
Computer Networks
Medium3 mins
Solve
SSL Certificate Expiry
SSL/TLS
Network Security
Computer Networks
Medium2 mins
Solve

Test candidates on core Network Engineer Hiring Test topics

Network protocols: Network protocols are sets of rules and conventions that devices use to communicate with each other over a network. Understanding network protocols is crucial for network engineers as it allows them to configure and troubleshoot network devices to ensure efficient and secure data transmission.

Network security: Network security refers to the measures and practices implemented to protect a network from unauthorized access, misuse, and attacks. Evaluating this skill in the test helps recruiters assess the candidate's knowledge of firewall configurations, encryption protocols, intrusion detection systems, and other security mechanisms that are essential for safeguarding network infrastructure.

Routing and switching: Routing and switching involve the processes of directing network traffic and connecting different network segments. Proficiency in routing protocols and switch configurations allows network engineers to efficiently manage and optimize data flow, ensuring reliable and fast communication between devices connected to the network.

Network troubleshooting: Network troubleshooting refers to the ability to identify and resolve issues that may affect the performance, connectivity, or security of a network. It involves analyzing network logs, diagnosing network hardware or software problems, and implementing necessary solutions to maintain network functionality.

Wireless networking: Wireless networking involves the configuration, deployment, and management of wireless communication technologies, such as Wi-Fi, Bluetooth, or cellular networks. Network engineers with expertise in wireless networking can design and implement reliable and secure wireless networks, as well as troubleshoot connectivity or performance issues in these environments.

Network design: Network design entails creating a blueprint or plan for a network infrastructure that meets specific business requirements. Network engineers with proficiency in network design can optimize the layout of devices, determine IP addressing schemes, select appropriate network topologies, and ensure scalability and efficient resource utilization.

Network management: Network management involves monitoring, configuring, and controlling network devices and resources to ensure their smooth operation. This skill covers knowledge of network management protocols, such as SNMP, as well as tools and techniques for performance monitoring, fault detection, and configuration management.

TCP/IP: TCP/IP (Transmission Control Protocol/Internet Protocol) is the standard protocol suite used for communication in the internet. Understanding TCP/IP is fundamental for network engineers, as it enables them to effectively troubleshoot and manage network connectivity issues, ensure interoperability of different devices and networks, and implement security measures to protect data transmitted over the network.

LAN/WAN: LAN (Local Area Network) and WAN (Wide Area Network) refer to different types of networks that connect devices over different geographic areas. Assessing LAN/WAN knowledge helps recruiters evaluate a candidate's ability to design, implement, and manage network architectures, including local networks within a building or campus (LAN) and networks spanning multiple locations and connected through public or private links (WAN).

Network performance optimization: Network performance optimization involves analyzing and fine-tuning the network infrastructure to maximize its speed, efficiency, and reliability. Professionals with expertise in this skill can employ various techniques and tools, such as bandwidth optimization, traffic analysis, or Quality of Service (QoS) configuration, to optimize network performance and deliver a better user experience.

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Have questions about the Network Engineer Hiring Test?

What roles can I use the Network Engineer Test for?

Here are few roles for which we recommend this test:

  • Network engineer
  • Network administrator
  • Network analyst
  • Network architect
  • Network consultant
  • System administrator
  • IT manager
Can I combine Network Engineer Test with Cloud Computing questions?

Yes, recruiters can request a custom test that combines Network Engineer Test with Cloud Computing questions. You can refer to our Cloud Computing Test for details.

How to use Network Engineer Test in my hiring process?

To use the Network Engineer Test, include the assessment link in your job post or invite candidates via email. This helps in screening candidates early in your recruitment process.

Do you have any anti-cheating or proctoring features in place?

We have the following anti-cheating features in place:

  • Non-googleable questions
  • IP proctoring
  • Screen proctoring
  • Web proctoring
  • Webcam proctoring
  • Plagiarism detection
  • Secure browser
  • Copy paste protection

Read more about the proctoring features.

What experience level can I use this test for?

Each Adaface assessment is customized to your job description/ ideal candidate persona (our subject matter experts will pick the right questions for your assessment from our library of 10000+ questions). This assessment can be customized for any experience level.

I'm a candidate. Can I try a practice test?

No. Unfortunately, we do not support practice tests at the moment. However, you can use our sample questions for practice.

Can I get a free trial?

Yes, you can sign up for free and preview this test.

What is Network Engineer Test?

The Network Engineer Test evaluates candidates' skills in network protocols, network security, routing and switching, and other critical areas for network engineers. Recruiters use this test to identify qualified candidates for network engineering roles.

What topics are evaluated in the Network Engineer Test?

The Network Engineer Test covers:

  • Network protocols
  • Network security
  • Routing and switching
  • Network troubleshooting
  • Wireless networking
  • Network design
  • TCP/IP
  • LAN/WAN
  • Network performance optimization
Can I test network troubleshooting and network protocols together in a test?

Yes, you can test network troubleshooting and network protocols together in a custom test. This combination helps comprehensively assess candidates' network engineering skills. Check out our Network Troubleshooting Test for details.

Can I combine multiple skills into one custom assessment?

Yes, absolutely. Custom assessments are set up based on your job description, and will include questions on all must-have skills you specify. Here's a quick guide on how you can request a custom test.

How do I interpret test scores?

The primary thing to keep in mind is that an assessment is an elimination tool, not a selection tool. A skills assessment is optimized to help you eliminate candidates who are not technically qualified for the role, it is not optimized to help you find the best candidate for the role. So the ideal way to use an assessment is to decide a threshold score (typically 55%, we help you benchmark) and invite all candidates who score above the threshold for the next rounds of interview.

Does every candidate get the same questions?

Yes, it makes it much easier for you to compare candidates. Options for MCQ questions and the order of questions are randomized. We have anti-cheating/ proctoring features in place. In our enterprise plan, we also have the option to create multiple versions of the same assessment with questions of similar difficulty levels.

What is the cost of using this test?

You can check out our pricing plans.

I just moved to a paid plan. How can I request a custom assessment?

Here is a quick guide on how to request a custom assessment on Adaface.

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