Free EC-Council Network Security Administrator 312-38 Exam Practice Test

Rick has implemented several firewalls and IDS systems across his enterprise network. What should he do to effectively correlate all incidents that pass through these security controls?

• Use firewalls in Network Address Transition (NAT) mode
• Implement IPsec
• Implement Simple Network Management Protocol (SNMP)
• Use Network Time Protocol (NTP)

Implementing access control mechanisms, such as a firewall, to protect the network is an example of which of the following network defense approach?

• Proactive approach
• Retrospective approach
• Preventive approach
• Reactive approach

Which of the following security models enable strict identity verification for every user or device attempting to access the network resources?1. Zero-trust network model2. Castle-and-Moat model

• Both 1 and 2
• 1 only
• 2 only
• None

Which type of modulation technique is used in local area wireless networks (LAWNs)?

• FHSS
• OFDM
• DSSS
• MIMO-OFDM

What represents the ability of an organization to respond under emergency in order to minimize the damage to its brand name, business operation, and profit?

• Disaster recovery
• Incident management
• Emergency management
• Crisis management

If there is a fire incident caused by an electrical appliance short-circuit, which fire suppressant should be used to control it?

• Water
• Wet chemical
• Dry chemical
• Raw chemical

Which component of the data packets is encrypted in Transport mode encryption of an IPsec server?

• Payload
• Header
• Header and Payload
• Encryption is not used in IPsec server

Jorge has developed a core program for a mobile application and saved it locally on his system. Thenext day, when he tried to access the file to work on it further, he found it missing from his system.Upon investigation, it was discovered that someone got into his system since he had not changed hislogin credentials, and that they were the ones that were given to him by the admin when he had joinedthe organization. Which of the following network security vulnerabilities can be attributed to Jorge'ssituation?

• System account vulnerabilities
• User account vulnerabilities
• Default password and settings
• Network device misconfiguration

You want to increase your network security implementing a technology that only allows certain MAC addresses in specific ports in the switches; which one of the above is the best choice?

• Port Security
• Port Detection
• Port Authorization
• Port Knocking

Identify the Password Attack Technique in which the adversary attacks cryptographic hash functions based on the probability, that if a hashing process is used for creating a key, then the same isused for other keys?

• Dictionary Attack
• Brute Forcing Attack
• Hybrid Attack
• Birthday Attack