Which of the following description is correct about the process of sending and receiving data frames in the Access mode of the switch interface?

• A.In the Access mode, the VLAN tag of the data frame will be stripped off when sending.
• B.When the data frame enters the switch interface, the switch learns the destination MAC address in the data frame.
• C.When receiving a tagged data frame directly discards in Access mode
• D.Only receive unlabeled data frames in Access mode

Comment: *

Name: *

Email: *

Verification: *

When ISIS area authentication is configured, which ISIS packet can carry the authentication information?

• A.Level-2 Hello packet of ISIS
• B.Level-1 SNP and LSP of ISIS
• C.Level-1 Hello message of ISIS
• D.Level-2 SNP and LSP of ISIS

Comment: *

Name: *

Email: *

Verification: *

In the OSPF broadcast network, there are four routers in the same network segment, RTA, RTB, RTC and RTD, whose DR priorities are 2, 1, 1, and 0, and the router IDs are respectively 192.168.1.1, 192.168.2.1,192.168.3.1 and 192.168.4.1. If OSPF is enabled on all the four routers, the BDR selected by OSPF is ().

• A.RTC
• B.RTB
• C.RTA
• D.RTD

Comment: *

Name: *

Email: *

Verification: *

Which are the correct statements about 802.1x authentication, RADIUS and HWTACACS authentication? (Multiple Choice)

• A.RADIUS authentication and HWTACACS authentication are mutually exclusive. You cannot perform dual authentication for the same user at the same time.
• B.RADIUSi authentication and HWTACACS authentication can perform dual authentication for the same user at the same time, which is more secure.
• C.Users can access the network using 802.1x authentication and complete identity authentication through Radius.
• D.RADIUS authentication and 802.1x authentication are mutually exclusive.

Comment: *

Name: *

Email: *

Verification: *

VXLAN uses BGP EVPN to establish a tunnel. What kind of packets are used?

• A.Type5
• B.Type1
• C.Type3
• D.Type4
• E.Type2

Comment: *

Name: *

Email: *

Verification: *