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Checkpoint Systems TAC Engineer Interview Questions and Answers
Checkpoint Systems TAC Engineer Interview Experiences
1 interview found
Anonymous
(2 Questions)
- Q1. Explain tcp flow
- Ans.
TCP flow refers to the sequence of packets exchanged between two devices over a TCP connection.
TCP flow involves the establishment, data transfer, and termination of a TCP connection.
It includes the exchange of TCP segments containing data, acknowledgment, and control information.
TCP flow control mechanisms like sliding window and congestion control help regulate the flow of data.
TCP flow can be analyzed using tools li
- Q2. Explain dns flow
- Ans.
DNS flow refers to the process of how a DNS query is resolved from start to finish.
Client sends a DNS query to the recursive resolver.
Recursive resolver checks its cache for the answer, if not found, it sends the query to authoritative nameservers.
Authoritative nameservers respond with the IP address of the requested domain.
Recursive resolver caches the response and sends it back to the client.
Client now has the IP add
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(2 Questions)
- Q1. What is ospf
- Ans.
OSPF (Open Shortest Path First) is a routing protocol used to determine the best path for data packets in a network.
OSPF is a link-state routing protocol
It uses Dijkstra's algorithm to calculate the shortest path
OSPF routers exchange link-state advertisements (LSAs) to build a topology map
It supports VLSM (Variable Length Subnet Masking) and CIDR (Classless Inter-Domain Routing)
OSPF areas are used to divide large netwo
- Q2. What is bgp, how it works
- Ans.
BGP (Border Gateway Protocol) is a routing protocol used to exchange routing information between different autonomous systems on the internet.
BGP is used to make routing decisions based on network policies, path attributes, and network reachability.
It operates on TCP port 179 and uses TCP connections to exchange routing information.
BGP routers maintain a table of IP prefixes and their corresponding AS paths to determin...
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