Online Access Free H12-222 Exam Questions

NFV and SDN depend on each other and must be used together.

• A.FALSE
• B.TRUE

Which QoS technology is usually used by congestion avoidance?

• A.LR
• B.GTS
• C.CAR
• D.WRED

The TTL field encapsulated to the MPLS label header can prevent infinite loops of MPLS packets.
Which of the following statements regarding the TTL field are true? (Multiple Choice)

• A.TTL value when an IP packet enters the MPLS network. 2. The ingress LER sets the TTL value in the MPLS header to 255.
• B.MPLS provides two processing modes on the TTL field: 1. TTL in the MPLS header copies the IP
• C.MPLS encapsulation in frame mode supports the TTL field. MPLS encapsulation in cell mode does not support the TTL field.
• D.The processing of IP TTL copy hides the LSR in a MPLS domain, improving the network security. If TTL copy is disabled, users can use the tracert function to view the LSR of the MPLS domain.

The three basic characteristics of the SDN network architecture are:

• A.Transfer control separation, centralized control, closed interface
• B.Transfer control separation, centralized control, open interface
• C.Transfer control centralized, centralized control, open interface
• D.Transfer control separation, decentralized control, open interface

A DHCP server provides different address allocation modes to meet various application requirements.
Which address allocation mode can be used to allocate an IP address to a host requiring temporary network access or allocate a group of limited IP addresses that can be shared by a group of temporary hosts?

• A.Automatic allocation
• B.Manual or dynamic allocation
• C.Manual allocation
• D.Dynamic allocation