Which of the following OSPF protocol packets can ensure the reliability of LSA updates?

• A.LSU
• B.DD
• C.LSACK
• D.LSR

Comment: *

Name: *

Email: *

Verification: *

What address does 192.168.1.127/25 represent?

• A.Multicast
• B.Host
• C.Broadcast
• D.Network

Comment: *

Name: *

Email: *

Verification: *

If the broadcast address of a network is 172.16.1.255, then what may its network address be?

• A.172.16.2.0
• B.172.86.1.253
• C.172.16.1.1
• D.172.16.1.128

Comment: *

Name: *

Email: *

Verification: *

Which of the following information is not included in the MAC address table of the switch? ()

• A.VLAN
• B.IP address
• C.The port number
• D.MAC.Address

Comment: *

Name: *

Email: *

Verification: *

Which of the following descriptions are correct about the concept of IEV architecture? (Multiple choice)

• A.NFVO (NEV Orchestrator) is responsible for business orchestration.
• B.MANO is composed of NFVO.VNFN and VIM.
• C.VFM. Virtual network function management, responsible for the life cycle management of VNF.
• D.VIM (Virtualised Infrastructure Manager) virtual resource management, responsible for the virtualization of infrastructure.

Comment: *

Name: *

Email: *

Verification: *