Microsense Desktop Support Engineer Interview Questions and Answers for Experienced

The lifecycle of a thread includes five states: new, runnable, running, blocked, and terminated.

• A thread is created in the new state.

• In the runnable state, the thread is ready to run but not currently running.

• When the thread is executing instructions, it is in the running state.

• If a thread is waiting for a resource, it is in the blocked state.

• The thread enters the terminated state when it completes its execution.

VLAN stands for Virtual Local Area Network. It is a logical grouping of devices on a network based on function, department or application.

• VLANs allow network administrators to segment a network into smaller, more manageable groups.

• Devices in a VLAN can communicate with each other as if they were on the same physical network, even if they are physically located on different switches.

• VLANs can improve network security by...read more

ABR router stands for Area Border Router, which connects multiple areas in a OSPF network.

• ABR router is used in OSPF (Open Shortest Path First) protocol.

• It connects multiple areas in a network and acts as a gateway between them.

• ABR router maintains separate link-state databases for each area it connects.

• It summarizes the routing information between areas to reduce the size of the routing table.

• Example: In a company net...read more

Private IP addresses ranges are reserved for internal networks and not routable on the internet.

• Private IP addresses are used within a local network and are not accessible from the internet

• There are three ranges of private IP addresses: 10.0.0.0 - 10.255.255.255, 172.16.0.0 - 172.31.255.255, and 192.168.0.0 - 192.168.255.255

• Private IP addresses are commonly used in home and office networks to allow devices to communica

BGP is a routing protocol used to exchange routing information between different networks.

• BGP stands for Border Gateway Protocol.

• It is used to connect different autonomous systems (AS) on the internet.

• BGP uses path vector routing to determine the best path for data to travel.

• BGP attributes include AS path, next hop, local preference, and origin.

• AS path is a list of AS numbers that the route has passed through.

• Next hop ...read more

OSPF is a routing protocol used to exchange routing information between routers in a network.

• OSPF stands for Open Shortest Path First

• It is a link-state routing protocol

• OSPF uses LSAs (Link State Advertisements) to exchange routing information

• There are 5 types of LSAs: Router LSA, Network LSA, Summary LSA, ASBR Summary LSA, and External LSA

• Each LSA type serves a different purpose in the OSPF network

• OSPF is commonly used

Static routes are manually configured while default routes are used when no other route is available.

• Static routes are manually configured by the network administrator

• Default routes are used when no other route is available

• Static routes have a higher priority than default routes

• Static routes are more specific than default routes

• Example: ip route 192.168.1.0 255.255.255.0 10.0.0.1

• Example: ip route 0.0.0.0 0.0.0.0 10.0.0

RT stands for Route Target and RD stands for Route Distinguisher.

• RT is used in MPLS VPN to identify which VPN a particular packet belongs to.

• RD is used to distinguish between identical routes learned from different VRFs.

• RT is a 64-bit value and RD is a 64-bit value or a combination of 32-bit AS number and 32-bit identifier.

• Example: RT can be used to route traffic from a specific VPN to a specific service provider.

• Examp...read more

STP (Spanning Tree Protocol) is a network protocol that prevents loops in Ethernet networks. It elects a root bridge to manage the network.

• STP is a network protocol used to prevent loops in Ethernet networks.

• It works by creating a loop-free logical topology by blocking redundant paths.

• STP elects a root bridge, which becomes the central point of the network.

• The root bridge is the bridge with the lowest bridge ID.

• STP use...read more