What will be the effects of executing the following set of commands? (Choose all that apply.) router(config)# router eigrp 44 router (config-router)# network 10.0.0.0 router (config-router)# network 192.168.5.0 A. EIGRP will be enabled in AS 44 B. EIGRP instance number 44 will be enabled C. EIGRP will be activated on the router interface 10.0.0.2/8 D. […]

Which Ethernet LAN contention or access method listens for a signal on the channel before transmitting data, and stops transmitting if a collision is detected? A. CSMA/CA B. CSMA/CD C. CSMA/CB D. CSMA/CS Explanation: The Carrier Sense Multiple Access – Collision Detection (CSMA/CD) contention method verifies that a channel is clear before transmitting, and stops […]

Which of the following accurately describes the purpose of a trunk? A. A trunk is used to carry traffic for a single VLAN and is typically used between switches. B. A trunk is used to carry traffic for a single VLAN and is typically used between a switch and an end-user device. C. A trunk […]

Which two modes are Cisco Internetwork Operating System (IOS) operating modes? (Choose two.) A. User Privileged mode B. User EXEC mode C. Local configuration mode D. Global configuration mode E. NVRAM monitor mode Explanation: User EXEC mode and global configuration mode are the Cisco IOS operating modes. The following list shows the Cisco IOS operating […]

Which two fields are present in the output of the show ip interface brief command? (Choose two.) A. YES? B. Helper address C. OK? D. Method E. Proxy ARP Explanation: Sample output of the show ip interface brief command is as follows: Router# show ip interface brief Interface IP-Address OK? Method Status Protocol Ethernet0 10.108.00.5 […]

Which Cisco IOS command is used on a Cisco Catalyst 6500 series switch to view the spanning-tree protocol (STP) information for a virtual LAN (VLAN)? A. show spanning tree B. show spanning-tree vlan C. show spantree D. show spantree vlan Explanation: The show spanning-tree vlan Cisco IOS command is used on a Catalyst 6500 series […]

Your assistant just finished configuring a small test network as part of his training. The network is configured as shown in the diagram below: When testing the configuration, you find that Host A in the diagram cannot ping Host B. Which of the following pairs of connections are required to be in the same subnet […]

Which of the following protocols allow the root switch location to be optimized per VLAN? (Choose all that apply.) A. PVST+ B. RSTP C. PVRST D. STP Explanation: Both Per VLAN Spanning Tree Plus (PVST+) and Per VLAN Rapid Spanning Tree (PVRST) protocols allow for a spanning tree instance for each VLAN, allowing for the […]

Which is NOT a valid range for private IP addresses? A. 10.0.0.0 – 10.255.255.255 B. 172.16.0.0 – 172.31.255.255 C. 192.168.0.0 – 192.168.255.255 D. 192.255.255.255-193.0.0.0 Explanation: The range 192.255.255.255 – 193.0.0.0 is a valid public IP address range, not a private IP address range. The Internet Assigned Numbers Authority (IANA) has reserved the following three ranges […]

You are the network administrator for your company and have configured Cisco Discovery Protocol (CDP) in your network. You recently noticed that when devices send large numbers of CDP neighbor announcements, some devices are crashing. You decide to disable CDP on the router. Which command should you use to achieve the objective? A. no cdp […]