Posts tagged CCNA
CCNA Exploration 3 LAN Switching and Wireless – Chapter 5 Exam
Sep 7th
01. 
Refer to the exhibit. All switches in the network have empty MAC tables. STP has been disabled on the switches in the network. How will a broadcast frame that is sent by host PC1 be handled on the network?
- Switch SW1 will block the broadcast and drop the frame.
- Switch SW1 will forward the broadcast out all switch ports, except the originating port. This will generate an endless loop in the network.
- Switch SW1 will forward the broadcast out all switch ports, except the originating port. All hosts in the network will reply with a unicast frame sent to host PC1.
- Switch SW1 will forward the traffic out all switch ports except the originating port as a unicast frame. All hosts in the network will reply with a unicast frame sent to switch SW1. Read the rest of this entry »
CCNA Exploration 3 LAN Switching and Wireless – Chapter 4 Exam
Aug 28th
01. Which statement is true when VTP is configured on a switched network that incorporates VLANs?
- VTP is only compatible with the 802.1Q standard.
- VTP adds to the complexity of managing a switched network.
- VTP allows a switch to be configured to belong to more than one VTP domain.
- VTP dynamically communicates VLAN changes to all switches in the same VTP domain. Read the rest of this entry »
CCNA Exploration 3 LAN Switching and Wireless – Chapter 3 Exam
Aug 13th
01. Which two statements describe the benefits of VLANs? (Choose two.)
- VLANs improve network performance by regulating flow control and window size.
- VLANs enable switches to route packets to remote networks via VLAN ID filtering.
- VLANs reduce network cost by reducing the number of physical ports required on switches.
- VLANs improve network security by isolating users that have access to sensitive data and applications.
- VLANs divide a network into smaller logical networks, resulting in lower susceptibility to broadcast storms. Read the rest of this entry »
CCNA Exploration 3 LAN Switching and Wireless – Chapter 2 Exam
Jun 27th
01. When a collision occurs in a network using CSMA/CD, how do hosts with data to transmit respond after the backoff period has expired?
- The hosts return to a listen-before-transmit mode.
- The hosts creating the collision have priority to send data.
- The hosts creating the collision retransmit the last 16 frames.
- The hosts extend their delay period to allow for rapid transmission. Read the rest of this entry »
CCNA Exploration2: Routing Protocols and Concepts – Final Exam
May 6th
01. 
Refer to the exhibit.
R1 knows two routes, Path A and Path B, to the Ethernet network attached to R3. R1 learned Path A to network 10.2.0.0/16 from a static route and Path B to network 10.2.0.0/16 from EIGRP. Which route will R1 install in its routing table?
- Both routes are installed and load balancing occurs across both paths.
- The route via Path B is installed because the EIGRP route has the best metric to network 10.2.0.0/16.
- The route via Path A is installed because the static route has the best metric to network 10.2.0.0/16.
- The route via Path B is installed because the EIGRP route has the lowest administrative distance to network 10.2.0.0/16.
- The route via Path A is installed because the static route has the lowest administrative distance to network 10.2.0.0/16. Read the rest of this entry »
CCNA Exploration2: Routing Protocols and Concepts – Chapter 11 Exam
May 1st
01. 
Refer to the exhibit. What does the “O*E2″ from the “O*E2 0.0.0.0/0 [110/1] via 192.168.1.1, 00:05:34, Serial0/0″ line represent?
- an internal type 2 OSPF route.
- an external OSPF route at least two hops away.
- an external OSPF route from two different sources.
- an external OSPF route that will not increment in cost.
- a default route.
- The route was distributed into OSPF from a type 2 router.
CCNA Exploration2: Routing Protocols and Concepts – Chapter 10 Exam
Apr 29th
01. 
Refer to the exhibit. When Router D is configured to use a link-state routing protocol and is added to the network, what is the first thing that it does to begin learning the network topology?
- It sends LSP packets to Routers B and C.
- It sends LSP packets to all routers in the network.
- It sends Hello packets to all routers in the network.
- It sends information about its directly connected neighbors to Routers A and E.
- It sends information about its directly connected neighbors to all routers in the network.
- It learns about its directly connected networks when its interfaces reach the up state. Read the rest of this entry »
CCNA Exploration2: Routing Protocols and Concepts–Chapter9 Exam
Apr 28th
01. On a router running EIGRP, what database would maintain a list of feasible successors?
- routing table
- neighbor table
- topology table
- adjacency table
02. 
Refer to the exhibit. This is the debug output from 2 directly connected EIGRP routers. They are not forming an adjacency. What is the cause?
- one router is a non-cisco router
- they have different autonomous-system numbers
- they are using difference sequence numbers
- they are sending incorrect hello types Read the rest of this entry »
CCNA Exploration2: Routing Protocols and Concepts – Chapter 8 Exam
Apr 27th
01. 
Refer to the exhibit. What can be determined from this output?
- The router will have to perform recursive lookups to forward a packet destined for 192.168.2.213/24.
- The parent route for these networks was removed from the routing table.
- A route to 192.168.0.0/25 would be classified as a supernet route for the routes listed in the routing table.
- All of the routes listed are network routes.
02. 
Refer to the exhibit. A packet destined for host 128.107.0.5/16 is processed by the JAX router. After finding the static route in the routing table that matches the destination network for this packet, what does the router do next?
- searches for a default route to forward the packet
- drops the packet since the static route does not have an exit interface
- performs a recursive lookup to find the exit interface used to forward the packet
- sends a request to neighboring routers for the location of the 128.107.0.0 network Read the rest of this entry »
CCNA Exploration2: Routing Protocols and Concepts – Chapter 7 Exam
Apr 21st
01. 
Refer to the exhibit. If all routers are running RIP version 2, why is there no route for the 192.168.1.32/27 network?
- Rip version 2 does not send subnet masks in its updates.
- Router A is not setup with RIP as a routing protocol.
- Rip version 2 will auto summarize routes by default.
- Router B is not setup to advertise the 192.168.1.64/30 network. Read the rest of this entry »
CCNA Exploration2: Routing Protocols and Concepts – Chapter 6 Exam
Apr 20th
01. What two advantages does CIDR provide to a network? (Choose two.)
reduced routing table size
dynamic address assignment
automatic route redistribution
reduced routing update traffic
automatic summarization at classful boundaries Read the rest of this entry »
CCNA Exploration2: Routing Protocols and Concepts – Chapter 4 Exam
Mar 11th
01. Which event will cause a triggered update?
- an update routing timer expires
- a corrupt update message is received
- a route is installed in the routing table
- the network is converged
CCNA Exploration2: Routing Protocols –Chapter 3 Exam
Mar 8th
01. Which two statements correctly describe the concepts of administrative distance and metric? (Choose two.)
- Administrative distance refers to the trustworthiness of a particular route.
- A router first installs routes with higher administrative distances.
- The value of the administarive distance can not be altered by the network administrator.
- Routes with the smallest metric to a destination indicate the best path.
- The metric is always determined based on hop count.
- The metric varies depending which Layer 3 protocol is being routed, such as IP or IPX.
CCNA Exploration2: Routing Protocols –Chapter 2 Exam
Mar 7th
01. The output of the Router# show interfaces serial 0/1 command displays the following:
Serial0/1 is up, line protocol is down.
What is the most likely cause for the line protocol being down?
- Serial0/1 is shutdown.
- There is no cable connecting the routers.
- The remote router is using serial 0/0.
- No clock rate has been set.
CCNA Exploration2: Routing Protocols –Chapter 1 Exam
Mar 2nd
01. Which two statements correctly describe the components of a router? (Choose two.)
- RAM permanently stores the configuration file used during the boot sequence.
- ROM contains diagnostics executed on hardware modules.
- NVRAM stores a backup copy of the IOS used during the boot sequence.
- Flash memory does not lose its contents during a reboot.
- ROM contains the most current and most complete version of the IOS.
- Flash contains boot system commands to identify the location of the IOS. Read the rest of this entry »
CCNA Exploration 1: Network Fundamentals – Final exam
Feb 26th
01. When connectionless protocols are implemented at the lower layers of the OSI model, what is usually used to acknowledge that the data was received and to request the retransmission of missing data?
- IP
- UDP
- Ethernet
- a connectionless acknowledgement
- an upper-layer, connection-oriented protocol or service
CCNA Exploration 1: Network Fundamentals – Chapter 11 Exam
Feb 25th
01. Immediately after a router completes its boot sequence, the network administrator wants to check the routers configuration. From privileged EXEC mode, which of the following commands can the administrator use for this purpose? (Choose two.)
- show flash
- show NVRAM
- show startup-config
- show running-config
- show version
CCNA Exploration 1: Network Fundamentals – Chapter 10 Exam
Feb 23rd
01. 
Refer to the exhibit. A student working in the lab selects a cable that is wired as shown. Which connection types can successfully be made with this cable? (Choose two.)
- connecting a PC to a router’s console port
- connecting two routers together via their fast ethernet ports
- connecting two switches together at gigabit speeds
- connecting a PC to a switch at Gigabit Ethernet speeds
- connecting two devices with the same interface type at Fast Ethernet speeds Read the rest of this entry »
CCNA Exploration 1: Network Fundamentals – Chapter 9 Exam
Feb 19th
01. Convert the binary number 10111010 into its hexadecimal equivalent. Select the correct answer from the list below.
- 85
- 90
- BA
- A1
- B3
- 1C
CCNA Exploration 1: Network Fundamentals – Chapter 8 Exam
Feb 16th
01. Which OSI layer is responsible for binary transmission, cable specification, and physical aspects of network communication?
- Presentation
- Transport
- Data Link
- Physical
