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116 bài trong 12 trang (10 bài/trang) và bạn đang ở trang 4.
Demo

An administrator issues the command ping 127.0.0.1 from the command line prompt on a PC.If a reply is received, what does this confirm? A. The PC has connectivity with a local host. B. The PC has connectivity with a Layer 3 device. C. The PC has a default gateway correctly configured D. The PC has connectivity up to Layer 5 of the OSI model. E. The PC has the TCP/IP protocol stack correctly installed. Refer to the exhibit Hosts in network 192.168.2.0 are unable to reach hosts in network 192.168.3.0......

Demo

Refer to the following protocols, which one can create a secure terminal connection to a remote network device? A. ARP B. SSH C. Telnet D. wep E. SNMPv1 F. SNMPv2..... Refer to the exhibit. A network administrator wants Switch3 to be the root bridge. What could be done to ensure Switch3 will be the root? A. Configure the IP address on Switch3 to be higher than the IP addresses of Switch1 and Switch2......

Demo

A medium-sized company has a Class C IP address. It has two Cisco routers and one non-Cisco router. All three routers are using RIP version 1. The company network is using the block of 198.133.219.0/24. The company has decided it would be a good idea to split the network into three smaller subnets and create the option of conserving addresses with VLSM. What is the best course of action if the company wants to have 40 hosts in each of the three subnets? A. Convert all the routers to EIGRP and use 198.133.219.32/27,198.133.219.64/27, and 198.133.219.92/27 as the new subnetworks. B. Maintain the use of RIP version......

Demo

Refer to the exhibit. SW1 and SW2 have default configurations. What will happen if host 1 sends a broadcast? A. Hosts 2, 3, and 4 will receive the broadcast. B. Hosts 1, 2, 3, and 4 will receive the broadcast. C. Host 2 and the Fa0/0 interface of R1 will receive the broadcast. D. Hosts 1, 2 and the Fa0/0 interface of R1 will receive the broadcast. E. Hosts 1, 2, 3, 4 and interface Fa0/0 of R1 will receive the broadcast. F. Hosts 2, 3, 4, and interfaces Fa0/0 and Fa0/1 of R1 will receive the broadcast......

Demo

Refer to the exhibit. The two connected ports on the switch are not turning orange or green. What would be the most effective steps to troubleshoot this physical layer problem? (Choose three.) A. Ensure that the Ethernet encapsulations match on the interconnected router and switch ports. B. Ensure that cables A and B are straight-through cables. C. Ensure cable A is plugged into a trunk port. D. Ensure the switch has power. E. Reboot all of the devices. F. Reseat all cables..... The following output was shown on router R: Based on the information shown above, what can be determined from the line of show ip route output shown in the exhibit? A. The next routing update can be expected in 35 seconds......

Demo

Refer to the graphic. Host 1 cannot receive packets from Host 2. Assuming that RIP v1 is the routing protocol in use, what is wrong with the IP configuration information shown? A. The fa0/1 interface of router R2 has been assigned a broadcast address. B. The fa0/1 network on router R2 overlaps with the LAN attached to R1. C. Host 2 has been assigned the incorrect subnet mask. D. Host 1 has been configured with the 255.255.248.0 subnet mask. E. Host 2 on router R2 is on a different subnet than its gateway..... What are three valid reasons to assign ports to VLANs on a switch?.....

Demo

Refer to the exhibit. Which destination addresses will Host A use to send data to Host B? A. the IP address of Switch1 B. the IP address of Router1 Fa0/0 C. the IP address of HostB D. the MAC address of Switch1 E. the MAC address of Router1 Fa0/0 F. the MAC address of HostB.... The network security policy requires that only one host be permitted to attach dynamically to each switch interface. If that policy is violated, the interface should shut down. Which two commands must the network administrator configure on the 2950.....

Demo

Which statements are true about EIGRP successor routes? A. A successor route is used by EIGRP to forward traffic to a destination. B. Successor routes are saved in the topology table to be used if the primary route fails. C. Successor routes are flagged as "active" in the routing table. D. A successor route may be backed up by a feasible successor route. E. Successor routes are stored in the neighbor table following the discovery process.....

Demo

Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true? A. Router C will send a Destination Unreachable message type. B. Router C will send a Source Quench message type. C. Router C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reached. D. Router C will send a Router Selection message type. E. Router C will use ICMP to inform Host 1 that Host 2 cannot be reached. F. Router C will use ICMP to inform Router B that Host 2 cannot be reached.....

Demo

An inbound access list has been configured on a serial interface to deny packet entry for TCP and UDP ports 21, 23 and 25. What types of packets will be permitted by this ACL? (Choose three.) A. HTTP B. FTP C. POP3 D. Telnet E. SMTP F. DNS.... As a network technician, do you know which are valid modes for a switch port used as a VLAN trunk? A. transparent B. auto C. on D. desirable E. blocking F. forwarding..... OSPF routing uses the concept of areas. What are the characteristics of OSPF areas? A. Each OSPF area requires a loopback interface to be configured. B. Areas may be assigned any number from 0 to 65535....

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