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Ký hiệu đặc biệt 01
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Ký hiệu đặc biệt [Toán]
116 bài trong 12 trang (10 bài/trang) và bạn đang ở trang 5.
Demo

Which of the following are true regarding bridges and switches? (Choose two.) A. Bridges are faster than switches because they have fewer ports. B. A switch is a multiport bridge. C. Bridges and switches learn MAC addresses by examining the source MAC address of each frame received. D. A bridge will forward a broadcast but a switch will not. E. Bridges and switches increase the size of a collision domain..... What are some of the advantages of using a router to segment the network? (Choose two.) A. Filtering can occur based on Layer 3 information. B. Broadcasts are eliminated. C. Routers generally cost less than switches.....

Demo

Refer to the exhibit. What does the (*) represent in the output? A. Packet is destined for a local interface to the router. B. Packet was translated, but no response was received from the distant device. C. Packet was not translated, because no additional ports are available. D. Packet was translated and fast switched to the destination...... Refer to the exhibit. What command sequence will enable PAT from the inside to outside network? A. (config) ip nat pool isp-net 1.2.4.2 netmask 255.255.255.0 overload B. (config-if) ip nat outside overload.....

Demo

Which one statements describe the Cisco implementation of VLANs? A. VLAN 1 is the default Ethernet VLAN. B. CDP advertisements are only sent on VLAN 1002. C. By default, the management VLAN is VLAN 1005. D. By default, the switch IP address is in VLAN 1005. E. VLANs 1002 through 1005 are automatically created and cannot be deleted...... Refer to the exhibit. What can be determined about the router from the console output? A. No configuration file was found in NVRAM. B. No configuration file was found in flash. C. No configuration file was found in the PCMCIA card......

Demo

Which two wireless encryption methods are based on the RC4 encryption algorithm? A. WEP B. CCKM C. AES D. TKIP E. ccmp.... What are two characteristics of RIPv2? A. classful routing protocol B. variable-length subnet masks C. broadcast addressing D. manual route summarization.... Which two Ethernet fiber-optic modes support distances of greater than 550 meters? A. 1000BASE-CX B. 100BASE-FX C. 1000BASE-LX.....

Demo

Which three options are valid WAN connectivity methods? (Choose three.) A. PPP B. wap C. HDLC D. MPLS E. L2TPv3 F. ATM..... What is the difference between a CSU/DSU and a modem? A. A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased line. B. A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased line. C. A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone line.....

Demo

Which command is used to see the path taken by packets across an IP network? A. show ip route B. show route C. trace route D. trace ip route.... Which command is used to debug a ping command? A. debug icmp B. debug ip icmp C. debug tcp D. debug packet.... Which command displays CPU utilization? A. show protocols B. show process C. show system D. show version......

Demo

Which two addresses can be assigned to a host with a subnet mask of 255.255.254.0? A. 113.10.4.0 B. 186.54.3.0 C. 175.33.3.255....... The network administrator has asked you to check the status of the workstation's IP stack by pinging the loopback address. Which address would you ping to perform this task? A. 10.1.1.1 B. 127.0.0.1 C. 192.168.0.1 D. 239.1.1.1.......

Demo

How does a DHCP server dynamically assign IP addresses to hosts? A. Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement. B. Addresses are permanently assigned so that the hosts uses the same address at all times. C. Addresses are assigned for a fixed period of time, at the end of the period, a new request for an address must be made. D. Addresses are leased to hosts. A host will usually keep the same address by periodically contacting the DHCP server to renew the lease......

Demo

The ip subnet zero command is not configured on a router. What would be the IP address of Ethernet 0/0 using the first available address from the sixth subnet of the network 192.168.8.0/29? A. 192.168.8.25 B. 192.168.8.41 C. 192.168.8.49 D. 192.168.8.113...... For the network 192.0.2.0/23, which option is a valid IP address that can be assigned to a host? A. 192.0.2.0 B. 192.0.2.255 C. 192.0.3.255 D. 192.0.4.0......

Demo

Refer to the exhibit. Which subnet mask will place all hosts on Network B in the same subnet with the least amount of wasted addresses? A. 255.255.255.0 B. 255.255.254.0 C. 255.255.252.0 D. 255.255.248.0..... A new hardware item is using an IEEE 802.11b a wireless LAN. What is the maximum data rate specified for this WLAN? A. 10 mbps B. 11 Mbps C. 1000 Mbps D. 16 Mbps E. 100 Mbps....

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