Cisco CCIE Security Written Exam (v5.0) 出題範圍廣、題型靈活,是不少考生心中的硬骨頭。Fast2test 的 400-251 題庫以 125 道模擬試題帶您熟悉出題邏輯,一題一題累積實力,逐步建立應考信心。
Cisco 400-251 考試概覽:
| 認證廠商: | Cisco |
|---|---|
| 考試名稱: | CCIE Security 筆試 (v5.0) |
| 考試代碼: | 400-251 |
| 支援語言: | English |
| 考試形式: | 情境導向題, 選擇題 |
| 實際考試題數: | 90-110 |
| 考試時間: | 120 分鐘 |
| 相關認證: | Cisco Certified Specialist - Security Core CCIE Security |
| 考試費用: | USD 400 |
| 證照有效期限: | 3 年 |
| 範例考題: | Cisco 400-251 範例考題 |
| 考試方式: | 實地應試 / 由 Pearson VUE 監考 |
| 必備條件: | 無正式報考資格規定;建議具備豐富相關經驗 |
| 官方大綱網址: | https://www.cisco.com/site/us/en/learn/training-certifications/certifications/security/ccie-security/exams-and-training.html |
Cisco 400-251 考試大綱主題:
| 章節 | 權重 | 目標 |
|---|---|---|
| 主題 1: 新興技術 | 10% | |
| 主題 2: 安全連線與網路區隔 | 17% | |
| 主題 3: 身分管理、資訊交換與存取控制 | 22% | |
| 主題 4: 基礎架構安全、虛擬化與自動化 | 13% | |
| 主題 5: 進階威脅防護與內容安全 | 17% | |
| 主題 6: 邊界安全與入侵防禦 | 21% |
Cisco CCIE Security Written Exam (v5.0) 考生常見問題解答
Cisco CCIE Security Written Exam (v5.0)(考試代碼 400-251)是 Cisco 官方規劃的認證考試,通過後可取得「CCIE Security」認證,認證等級為 專家級。此認證亦與 CCIE Security、Cisco Certified Specialist - Security Core 等認證相互關聯,可依職涯規劃進一步進修。若您正準備這門考試,Fast2test 收錄的 125 道練習題能協助您有系統地複習每個知識要點。
400-251 考試的總題量為 90-110 題,考試時間為 120 分鐘。換算下來,每題可分配的作答時間相當有限,一旦在不熟悉的題型上卡關,很容易打亂整體節奏。建議備考後期使用 Fast2test 的測試引擎進行限時模考,刻意訓練時間分配與答題速度,正式考試時才不會因時間壓力而失常。
無正式報考資格規定;建議具備豐富相關經驗由於官方可能隨時調整報考規定,建議您報名前再至 Cisco 官方考試頁面確認最新資訊,以免影響報名資格。
可以。Fast2test 提供 Cisco CCIE Security Written Exam (v5.0) 的免費範例試題,您可先下載體驗題目品質與解析方式,滿意後再決定購買。購買後享有 365 天免費更新,期間題庫有任何修訂都可免費取得最新版本;即使產品過期,後續續購更新仍可享 50% 折扣優惠。
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400-251 考試共劃分為 6 個主要領域,包括 邊界安全與入侵防禦(佔比 21%)、基礎架構安全、虛擬化與自動化(佔比 13%)、安全連線與網路區隔(佔比 17%) 等。各領域的完整細項與說明請參考上方的考試大綱,建議您依各領域的佔比高低安排複習比重,把時間花在最關鍵的主題上。
最新的 CCIE Security 400-251 免費考試真題:


There is no ICMP connectivity from VPN_PC to Server 1 and Server 2. What could be the possible cause?
- A. The zone configuration missing in the access rule
- B. The destination port configuration missing in the access rule
- C. The action is incorrect in the access rule
- D. The network address of the servers is configured incorrectly in the access rule
- E. The source network is incorrect in the access rule
- F. The VLAN tags configuration missing in the access rule
- G. The server network has incorrect mask in the access rule
答案:D 🗳️
Which of the following statements is true about Cisco Email Security Appliance (ESA)?
- A. Cisco Email Security Appliance cant have Management and Data traffic bound to the same port (physical/ or virtual when we speak about vESA)
- B. Private Listener always has HAT and RAT tables
- C. Private Listener has only HAT Table
- D. Private Listener has only RAT Table
答案:C 🗳️
Refer to the exhibit.
Users cannot access web servers 192.168.101.3/24 and 192.168.102.3/24 using FireFox web browser when initiated from 172.61.1.0/24 network. Which possible cause is true?
- A. The access policy "Allow Policy" has an incorrect action set for the custom URL category
- B. The identification profile "Allow Profile" has an incorrect protocol
- C. The identification profile "allow profile" has an incorrect source network
- D. The access policy "Allow policy" is porting to an incorrect identification profile
- E. The custom URL category "Allowed Sites" has an incorrect server address listed
- F. The identification profile "Allowed Profile" has a misconfigured user agent
答案:C 🗳️
For your enterprise ISE deployment, you want to use certificate-based authentication for all your Windows machines you have already pushed the machine and user certificates out to all the machines using GPO. By default, certificate-based authentication does not check the certificate against Active Directory, or requires credentials from the user. This essentially means that no groups are returned as part of the authentication request. In which way can the user be authorized based on Active Directory group membership?
- A. Use ISE as the Certificate Authority, which allows for automatic group retrieval from Active Directory to perform the required authorization
- B. Configure Network Access Device to bypass certificate-based authentication and push configured user credentials as a proxy to ISE.
- C. Configure the Windows supplicant to used saved credentials as well as certificate based authentication.
- D. Enable Change of Authorization on the deployment to perform double authentication.
- E. Use EAP authorization to retrieve group information from Active Directory.
- F. The certificate must be configured with the appropriate attributes that contain appropriate group information, which can be used in Authorization policies.
答案:F 🗳️
Which of the following statements correctly describe how DMVPN can be used to provide network segmentation over public transport networks?
- A. DMVPN can be used to transport MPLS packets inside of an mGRE tunnel
- B. The vrf forwarding command under the tunnel interface is used to associate encrypted packets with a VRF
- C. The tunnel vrf command under the tunnel interface is used to associate clear text data packets with a VRF
- D. The DMVPN hub and spokes must use the same VRF for a given DMVOB cloud
- E. The front door VRF for DMVPN is defined under the isakmp profile
答案:E 🗳️
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