Expert Network Engineering Interview Training 1

Expert Network Engineering Training 1

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Question 1
Next Hop remains unchanged when route is advertised to IBGP peer; however, it is changed when it is advertised to EBGP peer by default. .... Command provides to change next hop, while advertising, as a local route.
A
peer
B
network
C
neighbor
D
next-hop-self
Question 2
Why do We use Route Reflector in BGP network?
A
It is used to enhance BGP network.
B
It is used to provide eBGP neighbourship establishment.
C
It is used to provide redundancy in BGP networks.
D
It is used to eliminate the full mesh requirement for building iBGP networks.
Question 3
What are the First 6 Steps of BGP Path Selection Algorithm?
A
1)Weight 2)Local Preference 3)Self-Originated 4)AS Path 5) Origin 6)MED
B
1)MED 2)Self-Originated 3)Local Preference 4)AS Path 5) Origin 6)Weight
C
1)Self-Originated 2)Origin 3)Weight 4)AS Path 5) Local Preference 6)MED
D
1)Origin 2)Local Preference 3)AS Path 4)Self-Originated 5)Weight 6)MED
Question 4
What are the Router Types Used in MPLS Networks?
A
PR (Pop Router)
B
P (Provider Router)
C
SR (Swap Router)
D
PE (Provider Edge Router)
Question 5
What are the Routing Protocols Used with IPv6?
A
RIP for IPv6
B
OSPFv2
C
Integrated ISIS for IPv6
D
OSPFv3
E
MP-BGPv4
F
EIGRP for IPv6
Question 6
What are the Opaque LSAs? Why are they used?
A
LSA Type 10 - Used to extend OSPF functionality and MPLS-TE
B
LSA Type 9 - Used for OSPFv3
C
LSA Type 11 - Used to extend OSPF functionality but no advertised to stub areas.
D
LSA Type 7 - Used to extend OSPF functionality and MP-BGP
E
LSA Type 8 - Used for OSPFv2
Question 7
What are the States of OSPF ?
A
Loading
B
Syn
C
Init
D
Exchange
E
Down
F
Two-way
G
Loading
H
Start
I
Extart
Question 8
What are the Label Distribution Protocols?
A
PIM-SM
B
LDP
C
IGMP
D
RSVP-TE
Question 9
There is no Broadcast in IPv6. In IPv4, broadcast cause to send the packets to all nodes even if they do not care. This cause an unecessary trafffic. In IPv6, instead of broadcast, ...... is used.
A
Unicast
B
Multicast
C
Anycast
D
None of them
Question 10
Why is BFD Used?
A
A mechanims used to provide rapid link failure detection instead of routing protocol hellos.
B
A mechanims used to provide quality of service in the network.
C
A mechanims used to provide network management instead of the protocol snmp.
D
A mechanims used to provide redundancy with routing protocols.
Question 11
An ..... acts as the meeting place for sources and receivers of multicast data in a PIM-SM network. In this network, sources must send their traffic to the RP. This traffic is then forwarded to receivers down a shared distribution tree.
A
Broadcast Router
B
LAN Switch
C
Source Router
D
Rendezvous Point
Question 12
Which Ones are True for  Route Distinguisher and Route Target?
A
The route target defines which prefixes get imported and exported on the P routers.
B
The route distinguisher makes a unique IP address across the MPLS network.
C
The route target defines which prefixes get imported and exported on the PE routers.
D
The route distinguisher makes a unique VPNv4 address across the MPLS network.
Question 13
What are the OSPF Packet Types?
A
LSAck (Acknowledgement)
B
LSU (Updates with multiple LSAs)
C
LSR (LSU request)
D
Hello (Neighbour identification, keepalive)
E
DBD (Summary of LSDB)
F
LSDB (Link State Database)
G
TCN (Topology Change Notification)
Question 14
One route is Coming From a EBGP Peer. Is This Route Shared with IBGP peers?
A
Yes
B
No
Question 15
What is DR? And What is it Used For?
A
A Central Router in OSPF Network that provide OSPF Routing Exchange between All OSPF Routers
B
A Normal Router in OSPF Network that provide OSPF Routing Facilities
C
A Backup Router in OSPF Network that provide connection in case of an emergency
D
A Security Router in OSPF Network that provide OSPF Network Redundancy
Question 16
Which Types of Routers are There in an OSPF Network?
A
ABR (Area Border Router)
B
P Router
C
PE Router
D
Backbone Router
E
ASBR (Autonomous System Boundary Router)
F
Internal Router
Question 17
Which Ones are some of the Address Types of IPv6?
A
IPv6 Associated Multicast Addresses
B
Link-Local IPv6 Addresses
C
All of them
D
Unique-Local IPv6 Addresses
E
Global Unicast IPv6 Addresses
Question 18
How Many NAT Types are There? What are Their Roles?
A
NNAT (many-to-many translation, used with unique port numbers)
B
Dynamic NAT (many-to-many translation, used with public address pool)
C
Normal NAT (one-to-many translation of ports or addresses)
D
Static NAT (one-to-one translation of ports or addresses)
E
PAT (NAT overload) (many-to-many translation, traffic with unique port numbers used with single public address)
Question 19
Which Address Types do we use for MP-BGP? How Many Bits is This Address?
A
VPNv4 32 bits address
B
VPN 128 bits address
C
VPNv4 32 bits address
D
VPN 64 bits address
Question 20
What are the BGP Packets and Their Main Duty?
A
SYN : Provide Synronization of OSPF Network
B
UPDATE : Announces new routes or withdrawing previously announced routes.
C
OPEN : Establishes a peering session.
D
KEEPALIVE : Handshake in regular intervals.
E
QUALIFY : Differentiates differetn packet types
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