Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
Administrators need to manage internal switches from home. Management traffic must be encrypted, MFA must be used, and no switch management interface should be exposed directly to the internet. Which design is best?
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
Distractor review
Open SSH directly to each switch on a public IP address and restrict access by source IP only.
Source IP filtering helps somewhat, but exposing management services directly to the internet increases attack surface. It also does not satisfy the goal of keeping management interfaces off the public network.
B
Best answer
Use a VPN into the internal network, then administer the switches through a hardened jump host over SSH.
This design keeps management interfaces internal, encrypts traffic over the VPN, and lets the organization enforce MFA at the VPN or jump-host entry point. SSH provides secure device administration while the jump host centralizes access and logging.
C
Distractor review
Allow HTTPS management to each switch over the internet because the channel is encrypted.
Although HTTPS is encrypted, the management interface would still be exposed directly to the internet. That increases risk and conflicts with the requirement to avoid public exposure of management ports.
D
Distractor review
Use Telnet inside the office and route home users through a split-tunnel VPN.
Telnet is unencrypted and unsuitable for administrative access. Split tunneling can also expose management traffic to less controlled paths, which is the opposite of the secure remote-access goal described.
Common exam trap
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Technical deep dive
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
- Static NAT maps one inside address to one outside address.
- PAT allows many inside hosts to share one public address using ports.
- Inside local and inside global describe the private and translated addresses.
- NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
- Identify inside and outside interfaces first.
- Check whether the scenario needs static NAT, dynamic NAT or PAT.
- Do not confuse NAT matching ACLs with normal packet-filtering intent.
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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.
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FAQ
Questions learners often ask
What does this SY0-701 question test?
Static NAT maps one inside address to one outside address.
What is the correct answer to this question?
The correct answer is: Use a VPN into the internal network, then administer the switches through a hardened jump host over SSH. — The best design is to require a VPN into the internal network and then use a hardened jump host to reach the switches over SSH. That keeps the management interfaces off the internet, encrypts traffic end to end, and gives the organization a central place to enforce MFA and logging. It is a standard secure-administration pattern for remote access to sensitive network devices. Why others are wrong: Directly exposing SSH or HTTPS to the internet increases attack surface even if access is restricted. Telnet is unacceptable because it is not encrypted. Split-tunnel remote access does not provide the same level of control or protection for administrative sessions as a VPN plus jump host model.
What should I do if I get this SY0-701 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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