Expert Network Engineering Interview Training 2 ⋆ IpCisco

Expert Network Engineering Training 2

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Question 1

What are the IGMP Versions?

A	IGMPv1
B	IGMPv2
C	IGMPv4
D	IGMPv3
E	IGMPv5

Question 2

ToS is one of the Fields used for QoS. Why does 4,5,6 bits of ToS Used ?

A	Reliability
B	Throuhput
C	Delay
D	Cost
E	Jitter

Question 3

How does DR Election Occur?

A	First highest OSPF priority, then highest router ID
B	First highest router ID, then highest OSPF priority
C	First highest interface ip, then highest OSPF priority
D	First highest OSPF priority, then highest interface ip

Question 4

What are the Main OSPF LSA types?

A	Type 10, Type 20, Type 30, Type 40, Type 50, Type 70
B	Type 1, Type 2, Type 3, Type 4, Type 5, Type 7
C	Type a, Type b, Type c, Type d, Type e, Type f

Question 5

What are the Bits in an MPLS Packet?

A	ToS (5 bits)
B	Experimental (3 bits)
C	Label (20 bits)
D	MAC address (48 bits)
E	IP address (32 bits)
F	TTL (8 bits)
G	S Bits (1 Bit)

Question 6

What are the BGP States in Order?

A	Idle, Connect, Open Sent, Open Confirm, Established
B	Loading, Full, Init, 2-way, Exstart, Exchange
C	Init, 2-way, Exstart, Exchange, Loading, Full
D	Connect, Open Sent, Open Confirm, Established, Idle

Question 7

There are Two ABRs. One is Configured as Stub and Another is Confiured as Totally Stub. This Area Behave As?

A	Standard Area
B	Stub Area
C	Totally Stub Area
D	Backbone Area

Question 8

If the neighbor router needs to inform BGP about the use of a loopback interface rather than a physical interface to initiate the BGP neighbor TCP connection, we need to use .... command.

A	next-hop-self
B	ebgp-multihop
C	update-source loopback

Question 9

What is Fast Reroute?

A	A QoS Medhod use din MPLS-TE
B	A Routing Protocol used with MPLS-TE
C	A Recent MPLS version used especially for redundant networks
D	A Fast Recovery (at the level of 50 ms) mechanism used in MPLS.

Question 10

BGP work with UDP or TCP? Which Port?

A	UDP 159
B	TCP 159
C	UDP 179
D	TCP 179

Question 11

ARP is the Mechanism that is How are the ARP Operation Steps?

A	Unicast ARP Reply with requested MAC Address
B	Broadcast ARP Reply with requested IP Address
C	Broadcast ARP Request with IP Address
D	Recording Routing Table
E	Recording ARP Table

Question 12

Which Ones are True for PIM-DM?

A	Uses Rendezvous Point (RP)
B	A Flood and Pune mechanism
C	Uses Source-Based Trees
D	Uses Shared Trees
E	Supports Only Source Trees (S, G)

Question 13

What is Route Leaking?

A	Redistribution of one routing protocol into another routing protocol
B	Importing or exporting the routes of one vrf into another vrf

Question 14

What is IGMP Snooping For?

A	Listenning PIM Join / Leave messages and maintain multicast membership
B	Listenning IGMP Join / Leave messages and maintain multicast membership

Question 15

.... is an 64 bit value that is added to the ip address and create 96 bit VPNv4 Address in MP-BGP.

A	Route Target
B	Route Distinguisher

Question 16

What is Route Target?

A	8 Bytes Value that determines which prefixes get imported and exported on the PE routers.
B	16 Bytes Value that determines which prefixes will be allowed or disallowed
C	16 Bytes Value that determines which prefixes get imported and exported on the P routers.
D	8 Bytes Value that determines which prefixes will be allowed or disallowed

Question 17

.... is an address that is assigned to a set of interfaces that belong to different network devices. When a packet sent to this address, it is delivered to the closest network device (interface).

A	Unicast Address
B	Broadcast Address
C	Anycast Address
D	Multicast Address

Question 18

BGP will advertise the routes that are validated by IGP to an EBGP neighbour. This is provided with ?

A	BGP Multihop
B	BGP Neighbourship
C	BGP Syncronization
D	BGP Redistribution

Question 19

What are the OSPF Area Types?

A	Level 2 area
B	Not-so-stubby area (NSSA)
C	Backbone area
D	Standard area
E	Level 1 area
F	Totally stubby area
G	External Area
H	Stub area

Question 20

What are the States of OSPF Neighbourship on Broadcast and Non-broadcast Multiaccess Networks?

A	2-way with DR and BDR
B	Full with DROTHER
C	2-way with DROTHER
D	Full with DR and BDR

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gokhankosem

Gokhan Kosem is a Network Engineer, Instructor and the Founder of IPCisco.com with 15+ years of experience in Cisco, Nokia, Huawei, Juniper, Linux, Service Provider Networks, Routing and Switching technologies.

He has worked on the backbone networks of major service providers and network vendors including Nortel, Alcatel-Lucent (Nokia) and has extensive hands-on experience with Cisco, Huawei, Juniper and Nokia networking technologies.

He has trained thousands of networking students worldwide through IPCisco.com, Udemy, books, labs, quizzes, and educational content across multiple social media platforms.

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Expert Network Engineering Interview Training 2

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