The answer is administrative distance 200 and metric 0. In BGP path attributes, the bracket notation [200/0] directly displays the administrative distance followed by the metric, so 200 indicates the external BGP (eBGP) default AD of 20 for routes learned from an eBGP peer, while 0 represents the MED (multi-exit discriminator) metric. On the Cisco SPCOR 350-501 exam, this format commonly appears in VRF route outputs to test your ability to distinguish between BGP path attributes like local preference, AS path length, and label values, which are not shown in these brackets. A frequent trap is confusing the 200 with a metric or local preference, but remember that BGP’s administrative distance is always the first number in brackets. Memory tip: “Brackets bring the AD first, then the metric—200 is the distance, 0 is the cost.”
350-501 Architecture Practice Question
This 350-501 practice question tests your understanding of architecture. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Exhibit
PE1#show ip route vrf CUSTOMER_A
10.1.1.0/24 is directly connected, GigabitEthernet0/0/0
10.1.2.0/24 is subnetted, 1 subnets
B 10.1.2.0 [200/0] via 10.1.1.2, 00:00:45
Refer to the exhibit. A PE router is showing a VRF route. What does the [200/0] indicate?
PE1#show ip route vrf CUSTOMER_A
10.1.1.0/24 is directly connected, GigabitEthernet0/0/0
10.1.2.0/24 is subnetted, 1 subnets
B 10.1.2.0 [200/0] via 10.1.1.2, 00:00:45
A
Administrative distance 200 and metric 0
BGP external routes have AD 200.
B
Local preference 200 and MED 0
Why wrong: Local preference is shown separately.
C
Label value 200 and metric 0
Why wrong: Label values are not shown in VRF route output.
D
AS path length 200 and weight 0
Why wrong: AS path length is not shown in brackets.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Administrative distance 200 and metric 0
In BGP, the bracket notation shows [administrative distance/metric]. [200/0] means AD 200 (BGP external) and metric 0. AS path length, local preference, and label values are not shown in this format.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
Static NAT maps one inside address to one outside address.
✗
Local preference 200 and MED 0
Why it's wrong here
Local preference is shown separately.
✗
Label value 200 and metric 0
Why it's wrong here
Label values are not shown in VRF route output.
✗
AS path length 200 and weight 0
Why it's wrong here
AS path length is not shown in brackets.
Common exam traps
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.
Trap categories for this question
Command / output trap
Local preference is shown separately.
Detailed technical explanation
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.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
How this comes up in practice
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
What to study next
Got this wrong? Here's your next step.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related 350-501 NAT questions on configuration and troubleshooting.
Architecture — This question tests Architecture — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Administrative distance 200 and metric 0 — In BGP, the bracket notation shows [administrative distance/metric]. [200/0] means AD 200 (BGP external) and metric 0. AS path length, local preference, and label values are not shown in this format.
What should I do if I get this 350-501 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related 350-501 NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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