Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
Which statement best explains the security value of SSH for device management?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Best answer
It encrypts remote administrative traffic, helping protect credentials and session data.
This is correct because encryption is the main security advantage of SSH.
B
Distractor review
It removes the need for usernames and passwords.
This is wrong because SSH does not eliminate authentication requirements.
C
Distractor review
It turns every management interface into a trunk.
This is wrong because SSH is unrelated to switchport trunking.
D
Distractor review
It prevents all routing problems automatically.
This is wrong because SSH is a management protocol, not a routing fix.
Common exam trap
Common exam trap: answer the scenario, not the keyword
A frequent exam trap is selecting answers that describe unrelated network functions, such as trunking interfaces or automatically fixing routing problems, when the question focuses on SSH’s security role. Candidates might incorrectly believe SSH removes authentication requirements or changes switchport behavior. However, SSH strictly encrypts remote management traffic and requires valid credentials. Misunderstanding SSH’s purpose leads to choosing options that describe network operations rather than secure remote access, which is the core function tested here.
Technical deep dive
How to think about this question
Secure Shell (SSH) is a cryptographic network protocol designed to provide secure remote access to network devices. It encrypts all data transmitted between the administrator's terminal and the device, including usernames, passwords, and command outputs. This encryption prevents attackers from capturing sensitive information via packet sniffing or man-in-the-middle attacks, which is a critical improvement over legacy protocols like Telnet that send data in plaintext. In Cisco networking, SSH is the preferred method for remote device management because it ensures confidentiality and integrity of administrative sessions. To enable SSH, network engineers must generate RSA key pairs on the device and configure local or centralized authentication. SSH sessions use TCP port 22 and establish a secure channel before any commands are accepted. This process guarantees that only authenticated users can access the device and that all communication remains private. A common exam trap is confusing SSH’s security benefits with unrelated network functions such as trunking or routing. SSH does not alter switchport modes or fix routing issues; it solely secures the management plane. Practically, network administrators rely on SSH to safely configure and troubleshoot devices remotely, especially in environments where physical access is limited or where compliance mandates encrypted management traffic.
KKey Concepts to Remember
- SSH encrypts all remote administrative traffic, preventing attackers from intercepting sensitive credentials and session data during device management.
- Cisco devices use SSH as a secure alternative to Telnet, which transmits data in clear text and is vulnerable to eavesdropping.
- SSH requires authentication through usernames and passwords or cryptographic keys, ensuring only authorized administrators can access network devices.
- SSH operates over TCP port 22 and establishes an encrypted channel between the client and the network device for secure command-line access.
- Using SSH for device management protects the confidentiality and integrity of configuration commands and outputs exchanged during remote sessions.
- SSH does not modify network functions like routing or switching; its role is strictly to secure the management plane communications.
- Administrators must enable and configure SSH on Cisco devices explicitly, including generating cryptographic keys and setting user credentials.
- SSH supports secure tunneling of management traffic, which helps comply with security policies and regulatory requirements for network administration.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A router learns the same prefix from both OSPF and EIGRP. Which route is installed by default?
Question 2
A router shows this output: R1#show ip ospf neighbor Neighbor ID Pri State Dead Time Address Interface 10.1.1.2 1 FULL/DR 00:00:34 192.168.12.2 GigabitEthernet0/0 10.1.1.3 1 2WAY/DROTHER 00:00:39 192.168.12.3 GigabitEthernet0/0 Which statement is correct?
Question 3
What is the OSPF metric called?
Question 4
A non-root switch has two uplinks toward the root bridge. One path has a lower total STP cost than the other. What role will the lower-cost uplink have?
Question 5
A router interface applies this ACL inbound: 10 deny tcp any any eq 80 20 permit ip any any A user reports that web browsing to a server by IP address fails, but ping works. Which statement best explains the behavior?
Question 6
A router learns route 198.51.100.0/24 from OSPF with AD 110 and also has a static route to the same prefix configured with AD 150. Which route is installed?
FAQ
Questions learners often ask
What does this 200-301 question test?
SSH encrypts all remote administrative traffic, preventing attackers from intercepting sensitive credentials and session data during device management.
What is the correct answer to this question?
The correct answer is: It encrypts remote administrative traffic, helping protect credentials and session data. — SSH provides encrypted remote management, which helps protect credentials and session contents from being read in transit. In plain language, administrators can still manage devices remotely, but the traffic is protected instead of being sent as clear text. That makes SSH much safer than Telnet for routine administration. This is one of the most fundamental management-plane security decisions in networking. The correct answer is the one focused on secure remote administration through encryption.
What should I do if I get this 200-301 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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