Developing Applications and Automating Workflows using Cisco Platforms (DEVASC)530 questions across 53 pages are complete and free, with no account or card.
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Users cannot access a webserver and after the traffic is captured, the capture tool shows an ICMP packet that reports "time exceeded in-transit". What is the cause of this webserver access issue?
Answer: B
"Time exceeded in-transit" occurs when the TTL field is expired, and that usually happens when there are routing problems. So B could be the answer.
Source: Adapted from community discussion — DaniOcampo1992
What is used in Layer 2 switches to direct packet transmission to the intended recipient?
Answer: A
What is the purpose of a firewall in application deployment?
Answer: B
A developer needs to prepare the file README.md in the working tree for the next commit operation using Git. Which command needs to be used to accomplish this?
Answer: B
B is correct Possible answers: A. git -a README.md "git -a" is invalid B. git add README.md "prepares" the file "README.md" by moving it from the local workspace to the staging area (index) C. git add README.md staging same as B, but would also try to add the file "staging" to the staging area, which will result in an error if the file does not exist D. git commit README.md moves the file "README.md" directly from the local workspace to the local repository
Source: Adapted from community discussion — herrmann69
A small company has 5 servers and 50 clients. What are two reasons an engineer should split this network into separate client and server subnets? (Choose two.)
Answer: AB
A: is correct B: is correct: they refer to the three traffic types: 1. Uni-cast 2. Multi-cast 3. Broad-cast Multi-cast and Broad-cast domains are limited by the router but not uni-cast (by default). But the rest of the answers are less correct so I would pick answer B. C: Not correct: If they divide the current network into two pieces they will have less host addresses ( two addresses will be assigned to the network and broadcast address) D: Not correct: A router does not bridge any traffic, it routes traffic. E. Not correct: Dividing the network into two pieces will not limit the router from forwarding packets to the internet.
Source: Adapted from community discussion — mickedu
What is the function of an IP address in networking?
Answer: D
Where is an IP packet routed if the packet does not match any routes in the routing table?
Answer: D
This question does not have any right answer. Maybe could be a misleading with default route, but if a default route is defined it was present in routing table. So the right answer should be "The packet is discarded".
Source: Adapted from community discussion — rubensilva
Which two query types does a client make to a DNS server? (Choose two.)
Answer: BC
Wrong. B & C is correct. The query itself, identified by its type. There are lots of types of DNS queries. Here are the main ones: Type “A” for IPv4 addresses Type “AAAA” for IPv6 addresses Type “CNAME” (Canonical Names) – specifies a domain name that has to be queried in order to resolve the original DNS query Type “PTR” (Pointer) that specified a reverse query (requesting the FQDN – Fully Qualified Domain Name – corresponding to the IP address you provided) Type “NS” (Name Server) to get information about the authoritative name server Type “SOA” (Start Of zone Authority): used when transferring zones Type “MX” (Mail eXchange) to request information about the mail exchange server for a specific DNS domain name https://accedian.com/blog/dns-query-main-types/
Source: Adapted from community discussion — Daeh
What are two functions of a routing table on a network device? (Choose two.)
Answer: BC
What does a load balancer distribute in a network environment?
Answer: B
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