The network shown in the figure below assumes that all routers can enable OSPF at the same time. Which router is the DR in this network? () (Single-choice question)

A. Router B

B. B. Router D

C. C. Router A

D. Router C

To ensure that the same data flow is forwarded on the same physical link, which load sharing method does the Eth-Trunk adopt? ()

A. Flow-based load sharing

B. Packet-based load sharing

C. Load sharing based on application layer information

D. Load sharing based on data packet inbound interface

The network shown in the figure below. All routers run OSPF. The link cost value is shown in the figure. What is the cost value of the route entry to the network 10.0.0.0/8 in the RTA routing table? () (Single-choice question) A. 100

B. 70

C. 20

D. 60

On Huawei devices, if you use aaA authentication to authorize. When the remote server does not respond, you can authorize from the network device side ()

A. True

B. False

In a broad sense, the transmission medium that constitutes the wireless local area network wlan does not include? ()

A. Rays

B. Radio wave

C. infrared

D. laser

In order to implement FIT AP online, FIT AP first needs to obtain the IP address of AWhich of the following options is not included in FITAP obtaining the IP address of A()

A. DHCP option mode

B. Static designation method on AP

C. Broadcasting method

D. Multicast mode

When the lease period reaches what percentage does the DHCP client send the lease renewal message for the first time? ()

A. 0.5

B. 0.875

C. 0.25

In the network shown in the figure, which of the following descriptions is correct? () (Multiple Choice Questions) A. The network between RTA and SWC is the same conflict domain

B. The network between SWA and SWB is the same broadcast domain

C. The network between SWA and SWC is the same conflict domain

D. The network between SWA and SWC is the same broadcast domain

The classic network forwarding method is based on router routing table forwarding. The forwarding method of OpenFlow switches is based on flow table forwarding. Which of these two forwarding methods are correct? ()*

A. The routing table is of fixed length. A device can only have one public routing table

B. The flow table is getting longer. A network device can only have one flow table

C. The matching method of the flow table is to match the MA of the flow at the same timeC.Address andIP address

D. The matching method of the address table is to match the route of the destination network segment with the longest mask

The processing behavior of the data frame received by the switch is ()

A. Forward

B. Flooding

C. Throw away

D. Forward from the receiving port