Which of the following items on the packing list need to be checked during unpacking and inspection? (Choose all that apply.) A. Part number B. Part model C. Number of parts D. Project name
Software upgrade operations are similar for Huawei datacom products. Therefore, before a software upgrade, you only need to briefly read the upgrade guide. A. TRUE B. FALSE
The device installation procedure is as follows: Prepare tools -> Install mounting ears -> Install floating nuts and guide rails based on site requirements -> Install the device in the cabinet. A. TRUE B. FALSE
If the number of checked goods is different from the number of goods on the packing list, you can unpack and inspect goods and then contact the vendor to handle the inconsistency. A. TRUE B. FALSE
In most cases, optical power is expressed in dBm. Which of the following values in dBm is supported by most optical transceiver devices to receive and identify data? A. -30 dBm B. -10 dBm C. 10 dBm D. 30 dBm
To improve Internet egress reliability, an enterprise uses multiple links to connect to different carrier networks. This mode requires attention to both the incoming and outgoing traffic paths. Otherwise, network quality may be affected. A. TRUE B. FALSE
On a Layer 2 switching network, devices forward data based on MAC addresses. Therefore, data filtering can be performed based on MAC addresses, and a firewall in transparent cannot filter out Layer 3 information in data packets. A. TRUE B.…
Which of the following scenarios is a loop test applicable to? A. To test whether applications are properly connected B. To test whether a routing protocol can prevent loops C. To test whether a switch can prevent loops and broadcast…
Compared with a three-layer network architecture, a two-layer network architecture has simple topology and high data forwarding efficiency. The network architecture will transform to the two-layer architecture, and the three-layer network architecture will be gradually phased out. A. TRUE B.…
On the border between an enterprise network and its external network, which of the following devices is deployed at the outermost side of the enterprise network? A. IDS B. IPS C. FW D. VPN