When configuring a serial interface on a router, what is the default encapsulation?
A. atm-dxi B. frame-relay C. lapb D. hdlc E. ppp
Which layer in the OSI reference model is responsible for determining the availability of the receiving program and checking to see if enough resources exist for that communication?
A. transport B. network C. presentation D. session E. application
Data transfer is slow between the source and destination. The quality of service requested by the transport layer in the OSI reference model is not being maintained. To fix this issue, at which layer should the troubleshooting process begin?
A. presentation B. session C. transport D. network E. physical
Which three options are valid WAN connectivity methods? (Choose three.)
A. PPP B. WAP C. L2TPv3 D. HDLC E. MPLS F. ATM
Which two features did WPAv1 add to address the inherent weaknesses found in WEP? (Choose two.)
A. per frame sequence counters B. a stronger encryption algorithm C. shared key authentication D. key mixing using temporal keys E. a shorter initialization vector
What two things will a router do when running a distance vector routing protocol? (Choose two.)
A. Send entire routing table to all routers in the routing domain. B. Send periodic updates regardless of topology changes. C. Use the shortest-path algorithm to the determine best path. D. Update the routing table based on updates from their neighbors. E. Maintain the topology of the entire network in its database.
What are three advantages of VLANs? (Choose three.)
A. VLANs utilize packet filtering to enhance network security. B. VLANs establish broadcast domains in switched networks. C. VLANs allow access to network services based on department, not physical location. D. VLANs provide a low-latency internetworking alternative to routed networks. E. VLANs provide a method of conserving IP addresses in large networks. F. VLANs can greatly simplify adding, moving, or changing hosts on the network.
An administrator would like to configure a switch over a virtual terminal connection from locations outside of the local LAN. Which of the following are required in order for the switch to be configured from a remote location? (Choose two.)
A. The switch must be connected to a router over a VLAN trunk. B. The switch console port must be connected to the Ethernet LAN. C. The switch must be configured with an IP address, subnet mask, and default gateway. D. The switch management VLAN must be created and have a membership of at least one switch port. E. The switch must be fully configured as an SNMP agent. F. The switch must be reachable through a port connected to its management VLAN.
What are some of the advantages of using a router to segment the network? (Choose two.)
A. Broadcasts are eliminated. B. Routers generally cost less than switches. C. Filtering can occur based on Layer 3 information. D. Adding a router to the network decreases latency. E. Broadcasts are not forwarded across the router.
Which characteristics are representative of a link-state routing protocol? (Choose three.)
A. provides common view of entire topology B. exchanges routing tables with neighbors C. calculates shortest path D. utilizes event-triggered updates E. utilizes frequent periodic updates
Use the output from the router shown in the graphic above to determine which of the following are correct.(Choose two.)
A. Router John uses a link-state routing protocol. B. Router John will receive routing updates on the Serial0/0 interface. C. Router John will receive routing updates on the Serial0/1 interface. D. Router John will send routing updates out the Serial0/0 interface. E. Router John will send routing updates out the FastEthernet0/0 interface. F. Router John will send routing updates out the Serial0/1 interface.
Which statements describe the routing protocol OSPF? (Choose three.)
A. It supports VLSM. B. It is used to route between autonomous systems. C. It allows extensive control of routing updates. D. It increases routing overhead on the network. E. It is simpler to configure than RIP v2. F. It confines network instability to one area of the network.
The switches shown in the diagram, Core and Core2, are both Catalyst 2950s. The addressing scheme for each company site is as follows:
Router Ethernet port – 1st usable address
Core – 2nd usable address
Core2 – 3rd usable address
For this network, which of the following commands must be configured on Core2 to allow it to be managed remotely from any subnet on the network? (Choose three.)
A. Core2(config)# interface f0/0
Core2(config-if)# ip address 192.168.1.10 255.255.255.248 B. Core2(config)# interface vlan 1
Core2(config-if)# ip address 192.168.1.11 255.255.255.248 C. Core2(config)# line con 0
Core2(config-line)# password cisco D. Core2(config)# line vty 0 4
Core2(config-line)# password cisco E. Core2(config)# ip default-gateway 192.168.1.9 F. Core2(config)# ip route 0.0.0.0 0.0.0.0 192.168.1.8
Refer to the exhibit. Assume that all of the router interfaces are operational and configured correctly. How will router R2 be affected by the configuration of R1 that is shown in the exhibit?
A. Router R2 will not form a neighbor relationship with R1. B. R2 will obtain OSPF updates from R1, but will not obtain a default route from R1. C. Router R2 will obtain a full routing table, including a default route, from R1. D. R2 will not have a route for the directly connected serial network, but all other directly connected networks will be present, as well as the two Ethernet networks connected to R1.
What are three characteristics of the OSPF routing protocol? (Choose three.)
A. It converges quickly. B. OSPF is a classful routing protocol. C. It uses cost to determine the best route. D. It uses the DUAL algorithm to determine the best route. E. OSPF routers send the complete routing table to all directly attached routers. F. OSPF routers discover neighbors before exchanging routing information.
For what two purposes does the Ethernet protocol use physical addresses? (Choose two.)
A. to differentiate a Layer 2 frame from a Layer 3 packet B. to allow communication with devices on a different network C. to uniquely identify devices at Layer 2 D. to establish a priority system to determine which device gets to transmit first E. to allow communication between different devices on the same network F. to allow detection of a remote device when its physical address is unknown
As a frame leaves a Layer 3 device, the Layer 2 encapsulation information is changed from what it was when it entered the device. For what two reasons can this happen? (Choose two.)
A. The data is moving from 10BASE-TX to 100BASE-TX. B. The WAN encapsulation type has changed. C. The data format has changed from analog to digital. D. The source and destination hosts are in the same subnet. E. The source and destination MAC addresses have changed.
Which two statements are true regarding EIGRP? (Choose two.)
A. Passive routes are in the process of being calculated by DUAL. B. EIGRP supports VLSM, route summarization, and routing update authentication. C. EIGRP exchanges full routing table information with neighboring routers with every update. D. If the feasible successor has a higher advertised distance than the successor route, it becomes the primary route. E. A query process is used to discover a replacement for a failed route if a feasible successor is not identified from the current routing information.
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