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On the MSR router , the -t parameter of the ping command specifies the timeout time of the ICMPEchoReply message . The value range is 1 ~ 65535, and the unit is milliseconds . Its default value is ______ milliseconds.
On the MSR router , the -t parameter of the ping command specifies the timeout time of the ICMPEchoReply message . The value range is 1 ~ 65535, and the unit is milliseconds . Its default value is ______ milliseconds.A . 200B . 100C . 2000D . 1000View AnswerAnswer: C
802.11b protocol defines 14 channels in the 2.4GHz frequency band, and adjacent channels overlap in the spectrum. In order to maximize the use of frequency band resources, which of the following sets of channels can be used for wireless coverage?
802.11b protocol defines 14 channels in the 2.4GHz frequency band, and adjacent channels overlap in the spectrum. In order to maximize the use of frequency band resources, which of the following sets of channels can be used for wireless coverage?A . 1, 5, 9B . 1, 6, 11C . 2,...
In the network environment as shown in the figure, two routers are connected back-to-back through serial ports. The rate of the interconnection link must be set to 2Mbps. Which of the following statement below is correct?
In the network environment as shown in the figure, two routers are connected back-to-back through serial ports. The rate of the interconnection link must be set to 2Mbps. Which of the following statement below is correct? A. It is necessary to confirm that the interface type and cable meet the...
During system startup, type ______ according to the prompts, and the system will interrupt booting and enter BootROM mode.
During system startup, type ______ according to the prompts, and the system will interrupt booting and enter BootROM mode.A . <Ctrl+a>B . <Ctrl+b>C . <Ctrl+z>D . <Ctrl+c>View AnswerAnswer: B
DNS works on ______ of the OSI reference model.
DNS works on ______ of the OSI reference model.A . Network layerB . Transport layerC . Session layerD . Application layerView AnswerAnswer: D
There are two hops from the source device to the destination device. Use the tracert command to detect the path. When detecting the first hop, the source device sends a UDP packet with a TTL of 1 to a larger port of the destination device. When the packet reaches the intermediate hop, the TTL will change to 0, so the device sends a message to the source device. Respond to an ICMP______ message.
There are two hops from the source device to the destination device. Use the tracert command to detect the path. When detecting the first hop, the source device sends a UDP packet with a TTL of 1 to a larger port of the destination device. When the packet reaches the...
On the MSR router, once the system time is inaccurate, you can use the ______ command to adjust the system time.
On the MSR router, once the system time is inaccurate, you can use the ______ command to adjust the system time.A . timeB . clockC . clock datetimeD . set datetimeView AnswerAnswer: C
The subnet mask of IP address 132.119.100.200 is 255.255.255.240, then the broadcast address of the subnet where it is located is ______.
The subnet mask of IP address 132.119.100.200 is 255.255.255.240, then the broadcast address of the subnet where it is located is ______.A . 132.119.100.207B . 132.119.100.255C . 132.119.100.193D . 132.119.100.223View AnswerAnswer: A
On the MSR router, use the ______ command to view the current running version of the device.
On the MSR router, use the ______ command to view the current running version of the device.A . display runningB . display softwareC . display versionD . display current-versionView AnswerAnswer: C
The IP protocol corresponds to layer ______ of the OSI reference model.
The IP protocol corresponds to layer ______ of the OSI reference model.A . 5B . 3C . 2D . 1View AnswerAnswer: B
