想在正式上場前先感受真實考試的節奏嗎？Fast2test 的 112-51 桌面測試引擎完整模擬 ECCouncil Network Defense Essentials (NDE) 的考試環境，搭配 2026 年持續更新的題庫，讓每一次模考都更接近實戰。

ECCouncil 112-51 考試概覽:

ECCouncil 112-51 考試大綱主題:

112-51 考試熱門問答集

最新的 ECCouncil NDE 112-51 免費考試真題：

問題 #1

Robert, an ISP, was instructed to provide network connectivity to all areas even if some locations are inaccessible to capture direct signals from wireless access points. In this process, Robert used a wireless network component that takes a signal from one access point and boosts its signal strength to create a new network.
Identify the component of the wireless network employed by Robert in the above scenario.

A. Wireless repeater
B. Wireless bridge
C. Wireless NIC
D. Mobile hotspot

問題 #2

George, a certified security professional, was hired by an organization to ensure that the server accurately responds to customer requests. In this process, George employed a security solution to monitor the network traffic toward the server. While monitoring the traffic, he identified attack signatures such as SYN flood and ping of death attempts on the server.
Which of the following categories of suspicious traffic signature has George identified in the above scenario?

A. Informational
B. Reconnaissance
C. Unauthorized access
D. Denial-of-service (DoS)

問題 #3

George, a professional hacker, targeted a bank employee and tried to crack his password while he was attempting to log on to the remote server to perform his regular banking operations. In thisprocess, George used sniffing tools to capture the password pairwise master key (PMK) associated with the handshake authentication process. Then, using the PMK, he gained unauthorized access to the server to perform malicious activities.
Identify the encryption technology on which George performed password cracking.

A. WPA3
B. WPA2
C. WPA
D. WEP

問題 #4

Peter, a security professional, was hired by an organization and was instructed to secure the application and its content from unauthorized access. In this process, Peter implemented a public-key cryptosystem that uses modular arithmetic and elementary number theory for Internet encryption and user authentication.
Which of the following algorithms was employed by Peter in the above scenario?

A. MD6
B. SHA-2
C. RSA
D. DSA

問題 #5

George, a certified security professional, was hired by an organization to ensure that the server accurately responds to customer requests. In this process, George employed a security solution to monitor the network traffic toward the server. While monitoring the traffic, he identified attack signatures such as SYN flood and ping of death attempts on the server.
Which of the following categories of suspicious traffic signature has George identified in the above scenario?

A. Informational
B. Reconnaissance
C. Unauthorized access
D. Denial-of-service (DoS)

問題與答案：