EMT Practice Test

1. Question Content...

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Question1:
Refer to the exhibit.
A customer has a C-Series chassis using a 48-port PoE+ line card. A workstation connected to Gi 0/47 passes traffic as expected. When the customer connects a PoE phone to the interface, the phone does NOT power up.
Which configuration should a network engineer set on the Gi 0/47 interface to provide power to the phone?

Question2: Refer to the exhibit. A network engineer is implementing MLAG between two N-Series switches. The engineer has almost finished the task and notices the output shown.

Which step should the network engineer take to troubleshoot?

Question3: A network engineer is verifying the configuration of a LAG connection on an S-Series switch.
Which two commands should the network engineer use to determine the operation of the LAG? (Choose two.)

Question4: A network engineer is working with an S-Series switch. The network engineer boots up and connects to the serial port but cannot make any configuration changes.
What is the likely cause of this issue?

Question5: A network engineer is modifying an existing VLT configuration with two identical S-Series switches. Each VLT peer must be configured to route on behalf of each other for a period of time during peer failure. As part of a larger network, the switches run OSPFv2.
Which set of commands is required to make sure that each peer will proxy-route for 20 seconds?

Question6: In an OSPF network, what happens if the OSPF Priority level is set to "0"?

Question7:
Refer to the exhibit.
Given the output from an N-Series switch shown, how many instances of VRF are running?

Question8: What is the correct syntax to configure an Out-of-Band interface on an N-Series switch?

Question9: Which process should a network engineer use to update the firmware on the member switches of an N- Series switch stack?

Question10: Refer to the exhibit. A network engineer utilizes the hot and cold aisles to install a switch in the rack. In which direction should the air flow?

Question11: Refer to the exhibits. A network engineer is troubleshooting an intermittent connectivity issue on a network.
The issue only occurs on VLANs 10 and 20.
Exhibit 1:

Exhibit 2:

Which configuration on the Z-Series is incorrect?

Question12: Refer to the output.

According to the partial configuration, which two things have occurred? (Choose two.)

Question13: Which three components can be used to deploy 10GbE N-Series switches in a user-port stack configuration?

Question14:

Refer to the exhibits.
A networking engineer is unable to ping from VLAN 30 across two S-Series switches. Port 13 on switch Dell1 and Port 43 on switch Dell2 both have a link status of up.
Why does the ping fail between the two switches?

Question15:
Refer to the exhibit.
The trunk links are being over utilized. A network engineer needs to resolve the issue by pruning the trunk links of unnecessary vlans. Each switch must be management accessible via VLAN 1.
What are the allowed vlans on each trunk link?

Question16: By default, how often are Bridge Protocol Data Units (BPDUs) sent with reference to 802.1w?

Question17: Which component is required to deploy the N2000/N3000 Series switches in a stack configuration?

Question18:
Refer to the exhibit.
The deployment engineer needs to use rapid PVST+ so that some traffic is forwarding on all inter-switch links on these three N-Series Switches. To do so, each switch has been set to the lowest spanning-tree priority value for one of the VLANs.
Given the labeled diagram shown, what Spanning-Tree Priority is Switch B advertising for VLAN 20?

Question19: Which two methods can determine the master switch selection in a switch stack?

Question20: Exhibit 1.

Exhibit 2.

Refer to the exhibits. A network engineer is unable to establish OSPF Neighbor Adjacency between two S- Series switches. Based on the output from the two switches, what is preventing OSPF Neighbor Adjacency?

Question21: A customer needs to convert S-Series stacked switches to a VLT configuration to maintain port-channels from the customer's server. The customer's S-Series stack currently uses IEEE 802.1d. The customer wants to upgrade to a faster converging protocol. The servers that connect to the stack use static port- channels, but the customer wants to be IEEE 802.3ad compliant.
The customer has approved a maintenance window for the weekend to make these changes.
A network engineer has been given the following plan:
- Confirm the timings of the change window with the customer
- Upgrade the firmware of the S-Series switches
- Configure the single-domain VLT peers
- Configure the port-channels down to the customer's servers
- Utilize all existing cabling to proceed with the plan
Which two pieces of information does the engineer need to proceed? (Choose two.)

Question22:
Refer to the exhibit.
A customer has a SAN deployment consisting of a single Dell server and Equallogic storage array on a segregated VLAN communicating over a C9010. The storage arrays are reporting excessive ISCSI retransmits.
Which configuration change should a network engineer apply to resolve this issue?

Question23:




Refer to the exhibits.
An organization has a network with the following configuration:
* 2x C-Series chassis in a VLT
* Identical 10Gb line cards in each C-Series chassis
* A Hyper-V Server directly connected to Te 0/1 on each C-Series chassis
* A VLT Port-Channel connected to a two port switch independent team on the server used for vSwitch Virtual Machine traffic The Server Admin reports connectivity issues to the VMs on the server.
* Virtual Machines cannot ping outside of the local Server and cannot be reached from the LAN.
* All Virtual Machines are connected to the same vSwitch.
* All Virtual Machines are able to ping each other internally.
* All Virtual Machines are tagged in VLAN 10.
* All Nics on the Hyper-V Server are up.
What is causing the ping loss?

Question24:
Refer to the exhibit.
On switch S4820-2, commands are entered. The associated output is a follows:

Which command MUST have been entered previously on switch S4820-1?

Question25: Refer to the exhibits. A network engineer has configurations as shown in Figure A and Figure B However, the port-channel 128 shows in the default VLAN 1 and not in VLANs 10 and 20.
What has the network engineer to change in the configurations to fix the issue?
Exhibit 1.

Exhibit 2.

Question26:
Refer to the exhibit. On switch S4820-1, commands are entered. The associated output is as shown.

Which four commands must have previously been entered on switch S4820-1?

Question27: A network engineer needs to raise the STP priority value from its default value for a new Dell Networking S-Series switch prior to implementation. The switch will be utilizing RSTP (802.1w).
What is the correct command?

Question28: A network engineer is configuring several trunk ports for VLAN 50 and VLAN 100 on an N-Series switch.
VLAN 50 and 100 are newly added VLANs. These are the only VLANs needed for the ports being configured.
Which configuration is correct?
A:

B:

C:

D:

Question29: A network engineer needs to apply Layer 2 port security on an existing N-Series switch. The customer wants to prevent end-users from plugging in their personal laptop in a LAN port at their desk. The company has confirmed that they want to hardset the security to ensure that security only applies to company- supplied computers. The customer has confirmed that computers will not be moving from desk to desk. A total of 10 systems are currently connected. The customer has stated that all switchports must be configured as well. If any other device is plugged in, there will be no network connectivity.
Which additional information must be provided to the engineer to meet the deployment guidelines?

Question30: Which three properties are required for two OSPF router interfaces to establish a neighbor relationship?
(Choose three.)

Question31: Two Dell S-Series Switches are directly connected.

Which statement describes what will happen when a ping is sent from Dell-1 to Dell-2?

Question32: The exhibit shows an IGMPv2 multocast network where "Rn" are routers configured with PIM and OSPF runs between the routers.
Which two actions should the router(s) take with the multicast message forwaded to them from the switch connected to the user's desktop?

Question33:

Refer to the exhibits of the S-Series switch.
A networking engineer is unable to pass traffic across interface port 13 and 43 for Dell1 and Dell2 S-Series switches, respectively.
Based on the exhibit, what is the problem with the configuration for the switches?

Question34: A network engineer is troubleshooting an access-list issue on a switch.
Which command should the engineer use to list all of the configured access-lists in the switch?

Question35: Refer to the exhibit. A customer installs a non-PoE line card to replace a previously installed PoE line card in slot 0. After unseating the line card, which two commands should a network engineer use to prepare the switch to accept the new line card?

Question36: A previous network engineer has disabled Power-over-Ethernet (PoE) on ports gi1/0/1-10 on a Dell N- Series switch. Recently, the company bought a few Dell Wireless Access Points that require PoE.
What is the correct syntax to enable PoE on those ports?

Question37: A network engineer needs to install five Dell N-Series switches in a stack for a company that is moving to a new building.
The following items are received:
- 5x Dell N4032 switches
- 5x Power cords
- 5x QSFP+ module card
- 120 CAT6 patch cords
- 1x UPS APC 7000
What needs to be provided to enable the network engineer to complete this task?

Question38: Which of the following effectively describes basic iBGP?

Question39: The network engineer has two Dell Networking switches: an N-Series and an S-Series. Both switches have the factory default configuration. Which phrase correctly describes the current state of spanning-tree on both switches?

Question40: What is the correct syntax to set a management route on an S-Series switch?

Question41:
Refer to the exhibit.
On switch S4820-1, commands are entered. The associated output is as shown.

What correctly defines the state of the Root Bridge for VLAN 2 and VLAN 3?

Question42:
Refer to the exhibit.
A customer plans to deploy a two-tier OSPF ECMP Core in the configuration shown. All uplinks to the spine are 40Gbps. All uplinks to the leaves are 10Gbps.
What should be the oversubscription rate for the spine?

Question43: Refer to the outputs.

Without announcing all connected interfaces and routes into OSPF on Switch #1, which command should a network engineer add to allow Switch#2 to access the Internet?

Question44: A network engineer needs to create an IEEE 802.3ad Port-Channel between two S-Series switches using ports Tengigabit Ethernet 0/1 to Tengigabit Ethernet 0/4.
Which commands should be used to create the required port-channel?
A:

B:

C:

D:

Question45: On an S-Series switch, what two events occur when a static null route has been configured in the system to drop a packet? (Choose two.)

Question46: Refer to the exhibit. A networking engineer reviews output from an N-Series switch for port 20. Which three conclusions should be made from the output shown?

Question47: A network engineer needs to create a VLAN on the N-Series switch for all management traffic in the data center. The customer has provided VLAN ID 20 for use.
What should the network engineer do on the switch to create the VLAN?