At which layer of the OSI model is the Rapid Spanning Tree protocol used to prevent switching loops?
- A . Physical
- B . Network
- C . Data Link
- D . Transport
Which parameter is required to match an OSPF Adjacency to form?
- A . IP addresses
- B . Area ID
- C . Switch models
- D . Switch firmware version
A Dell Networking N3024 has a link aggregation configured as shown:
interface Gi1/0/1
channel-group 1 mode active
exit
!
interface Gi1/0/2
channel-group 1 mode active
exit
!
interface port-channel 1
switchport access vlan 10
exit
After connecting all cables, the port-channel does NOT work as expected.
As part of the troubleshooting process, the technician examines the “show lldp” displayed:
What is the most likely cause for the issue on the port-channel?
- A . The interface port-channel is not using 10Gbps interfaces.
- B . The interfaces on the N2024 switches are running LACP.
- C . The interface port-channel is not configured in trunk mode.
- D . The interfaces are connected to different switches.
A technician configures RIP on a new N-Series switch to connect to an existing switch that runs RIP. The routing table is not populating even after the network statements are added.
What is a possible cause of this issue?
- A . The existing switch has not been configured with the command “hostroutesaccept”.
- B . The new switch’s interface is in the wrong subnet to form a RIP relationship.
- C . The “ip helper-address” command has not been configured on the existing switch.
- D . The other switch is not a root bridge and cannot form an RIP relationship.
Which of the following is an optional LLDP TLV?
- A . Chassis ID
- B . System Name
- C . Port ID
- D . Time-to-live
A network administrator needs to identify which MAC addresses are static.
Under which column in the output of the show mac-address-table command is this information displayed?
- A . Interface
- B . Type
- C . MAC address
- D . State
What is the FCS field used for in an Ethernet frame?
- A . Redirect ICMP messages back to the originator
- B . Ensure the frame was not corrupted during transmission
- C . Resolve ARP requests
- D . Look up the destination address
What is the size of the ICMP header?
- A . 8 bits
- B . 8 bytes
- C . 16 bits
- D . 16 bytes
Which two port states are valid on a root bridge in a converged Spanning Tree network? (Choose two.)
- A . Blocking
- B . Designated
- C . Forwarding
- D . Listening
- E . Alternate
What is the dotted decimal notation for a /29 prefix?
- A . 255.255.255.192
- B . 255.255.255.252
- C . 255.255.255.240
- D . 255.255.255.248
What is the maximum frequency of a CAT6 UTP cable?
- A . 100 MHz
- B . 250 MHz
- C . 500 MHz
- D . 600 MHz
When configuring a switch, which CLI mode only supports limited show commands?
- A . EXEC
- B . Maintenance
- C . Configuration
- D . EXEC Privilege
Which command sequence leads to the successful creation of a Layer 3 port channel on an OS10 switch?
- A . 1(config-if-po-2)# ip address 192.168.0.0/31
S1(config-if-po-2)# no switchport - B . S1(config-if-po-2)# ip address 192.168.0.0/31
S1(config-if-po-2)# no switchport - C . S1(config-if-po-2)# ip address 192.168.0.0/31
S1(config-if-po-2)# switchport mode IPv4 - D . S1(config-if-po-2)# no switchport
S1(config-if-po-2)# ip address 192.168.0.0/31
Which type of route is often used to direct traffic bound for the Internet?
- A . Redistributed
- B . Directly connected
- C . Dynamic
- D . Default
How is a switch different from a hub?
- A . A switch operates at a lower, more efficient layer of the OSI model.
- B . A switch decreases the number of broadcast storms.
- C . A switch tracks MAC addresses of all connected devices.
- D . A switch does not include any latency into the frame transfer time.
Which IEEE standard defines the Data Link Layer, Discovery protocol?
- A . 802.1AB
- B . 802.1AX
- C . 802.1D
- D . 802.1W
What does the blinking yellow Activity/PoE LED indicate on an N-Series switch?
- A . There is no current transmit/receive activity and PoE power is off.
- B . There is no current transmit/receive activity and PoE power is on.
- C . There is current transmitting/receiving and PoE power is on.
- D . There is current transmitting/receiving and PoE power is off.
On which Dell EMC Networking switches can Multi-Chassis Link Aggregation (MLAG) be configured?
- A . C9000 Series
- B . N-Series
- C . S-Series
- D . Z-Series
A Dell EMC Networking N-Series switch is configured on a port channel with LACP using the interfaces Te1/0/1 and Te1/0/2.
How is the egress traffic distributed among the interfaces?
- A . Traffic overflow will be sent to the second interface
- B . Interfaces will be used in active/passive
- C . Load balanced per packet using round robin
- D . Load balanced using a hash function
Which IPv6 scope is used for private addressing within an organization?
- A . APIPA
- B . Area wide
- C . Global
- D . Unique local
Which Border Gateway Protocol (BGP) version supports IPv6?
- A . BGPng
- B . BGPv2
- C . BGPv3
- D . BGPv4
Which IPv6 address type is similar to IPv4 APIPA?
- A . Multicast
- B . IPv6 link-local
- C . Global unicast
- D . Unique Local
What attributes does LLDP use to send and receive information about directly connected neighbors?
- A . Unit
Header
Value - B . Type
Length
Value - C . Unit
MAC
Frames - D . Packets
Frames
Headers
What is the correct sequence of steps that occur in the communications between the client and server to obtain an IP address from a DHCP server?
Which OS6 command is used to verify the running configuration on port 4?
- A . # show running-config int eth 1/0/4
- B . # show running-config int gi 1/0/4
- C . # show running-configuration int gi 1/1/4
- D . # show running-configuration interface ethernet 1/1/4
A network administrator created three VLANs on an Ethernet switch.
How many broadcast domains are created by the switch?
- A . 1
- B . 2
- C . 3
- D . 4
Refer to the exhibit.
A technician configures RIP on a new N-Series switch to connect to an existing switch that runs RIP. The new switch routing table is NOT populating even after the correct network statements are added.
What is causing this issue?
- A . The new N-Series switch does not have “default-information originate” configured.
- B . The existing switch has been configured for “hostroutesaccept”.
- C . The other switch is a root bridge and cannot form RIP relationships.
- D . The existing switch is configured to send and receive only for RIPv1.
How is outbound traffic distributed when using LACP port channels on OS6 switches?
- A . Load balanced per packet using round robin
- B . Interfaces are used in active/passive
- C . Load balanced using a hash function
- D . Traffic overflow is sent to the second interface
A static route is denoted with which flag in the routing table?
- A . C
- B . S
- C . T
- D . R
A network administrator has a Dell EMC switch that has been configured with several VLANs. Each VLAN switch virtual interface (SVI) has an IP address assigned to it with each of them on different subnets. In addition, routing has been enabled on the switch.
Which action occurs when the switch receives a packet on one of its SVIs but the destination IP address of the packet does not match the IP address of that SVI?
- A . Switch checks its routing table and forwards the packet accordingly.
- B . Switch duplicates the packet and sends it to all interfaces.
- C . Switch replies back to the source with an ICMP Reject packet.
- D . Switch drops the packet.
Which type of domains are connected by a Layer 2 switch?
- A . Single collision domain and a single broadcast domain
- B . Multiple broadcast domains and multiple collision domains
- C . Multiple collision domains and a single broadcast domain
- D . Single collision domain and multiple broadcast domains
Which command is available in OS6 to verify jumbo frames?
- A . show interfaces counters
- B . show hardware drops
- C . show interface flowcontrol
- D . show interfaces config
What accurately describes IPv6 addressing?
- A . IPv6 addresses are denoted by eight groups of four hexadecimal numbers.
- B . IPv6 uses 128 hexadecimal numbers instead of the 32 hexadecimal numbers used by IPv4.
- C . IPv6 is used to converse IP addresses and utilize private addresses.
- D . IPv6 uses broadcast addresses for neighbor discovery.
A dell Networking N-Series has configured a port-channel with LACP using the interfaces Tel/0/1 and Tel/0/2.
How is the egress traffic distributed among the interfaces?
- A . Load balanced using a hash function
- B . Load balanced per packet using Round Robin
- C . Traffic overflow will be sent to the second interface
- D . Interfaces will be used in active/passive
Which route type is added to the routing table by a routing protocol?
- A . Default route
- B . Dynamic
- C . Static
- D . Directly connected
Which nanometer range will an SFP work in multi-mode?
- A . 850
- B . 1310
- C . 1510
- D . 1610
Which operating system does an N-Series switch use?
- A . OS 3
- B . OS 6
- C . OS 9
- D . OS 10
A service technician is deploying four Dell N-Series switches in a company’s network. The technician has enabled the spanning tree protocol on the switches.
Which switch would the spanning tree protocol select as a root bridge?
- A . 22-33-44-55-66-77 : 32768
- B . 11-22-33-44-55-66 : 36864
- C . 22-33-44-55-66-78 : 32768
- D . 11-22-33-44-55-65 : 32768
Which formula is used for calculating OSPF interface costs?
- A . Reference bandwidth C interface bandwidth
- B . Reference bandwidth / interface bandwidth
- C . Reference bandwidth + interface bandwidth
- D . Interface bandwidth / reference bandwidth
What are the required commands to configure a native VLAN of 10 and a tagged VLAN of 20 on an OS6 switch?
- A . # interface ethernet 1/6
# switchport trunk encapsulation dot1
# switchport trunk native vlan 10
# switchport trunk allowed vlan 20
# switchport mode trunk - B . # interface gigabitethernet 1/0/6
# switchport mode trunk
# switchport mode allow vlan 20
# switchport mode trunk native vlan 10 - C . # interface ethernet 1/1/6
# switchport mode trunk
# switchport trunk allowed vlan 20
# switchport access vlan 10 - D . # interface gigabitethernet 1/0/7
# switchport mode trunk
# switchport mode allow vlan 20
# switchport mode trunk native vlan 10
A network technician has printers that negotiate at half-duplex.
Which three switches will auto-negotiate the printers? (Choose three.)
- A . X1026
- B . N2048
- C . X1008P
- D . N3024P
- E . N1548
- F . N2048P
What are three benefits of using dynamic routing protocols over static routing? (Choose three.)
- A . Can be implemented with one command to produce routes in the RIB
- B . Lower administrative distance compared to static routes
- C . Automatically adapts to changing topology to provide alternative paths
- D . Is easier to troubleshoot over static routes in the event of a failure
- E . Less overall administration, management, and maintenance of the routing table
- F . Is scalable to very large multi-router, multi subnet networks
Refer to the output shown:
Which two statements describe the state of configuration of interfaces gi1/0/1-24? (Choose two.)
- A . The interfaces are administratively Down.
- B . Spanning tree is NOT blocking any interfaces.
- C . The interfaces have negotiated to mode trunk.
- D . The interfaces are in access mode VLAN 1.
- E . The interfaces are administratively Up.
Two N3024F switches are directly connected using 10GBASE-SR transceivers and 10 foot fiber patch cables. The ports on both sides are NOT linking.
What are two possible reasons for this issue? (Choose two.)
- A . The fiber connectors are inverted.
- B . The transceivers are on SFP ports.
- C . The fiber length is too short.
- D . The connection is using multimode fiber.
- E . The fiber is unidirectional.
What accurately describes an ICMP error message?
- A . ICMP error message will be generated for a datagram having a multicast address
- B . ICMP error message will not be generated for a datagram having an address of 127.0.0.0
- C . ICMP error message will be generated for a fragmented datagram that is not the first fragment
- D . ICMP error message will be generated in response to a datagram carrying an ICMP error message
What is the default OSPF “hello interval”?
- A . 5 seconds
- B . 10 seconds
- C . 15 seconds
- D . 30 seconds
A network administrator wants to use a subnet that will only have two host addresses.
Which subnet mask meets this requirement?
- A . 255.255.255.248
- B . 255.255.255.252
- C . 255.255.255.254
- D . 255.255.255.256
Which platforms are supported by the Dell EMC Networking OS (DNOS) 6?
- A . N1500 Series switch and N2000 Series switch
- B . N1700 Series switch and N1500 Series switch
- C . N1700 Series switch and N3500 Series switch
- D . N3500 Series switch and N2000 Series switch
Which switch should Spanning Tree Protocol choose to become the root bridge in the election process?
- A . 22-33-44-55-66-78 : 32768
- B . 11-22-33-44-55-66 : 36864
- C . 22-33-44-55-66-77 : 36864
- D . 11-22-33-44-55-65 : 32768
In addition to receiving an IP address, what other information is obtained from a DHCP server?
- A . Default gateway address and VLAN ID
- B . DNS server address and port speed
- C . Default gateway address and DNS server address
- D . DNS server address and VLAN ID
Which IP address belongs to the same subnet as 192.168.8.10/22?
- A . 192.168.1.192
- B . 192.168.5.16
- C . 192.168.10.1
- D . 192.168.0.3
If a packet is sent to an IPv6 address and many devices receive the packet, what is this type of traffic?
- A . Multicast
- B . Broadcast
- C . Anycast
- D . Unicast
Which field of the 802.3 frame is used by network interface cards to synchronize their receivers?
- A . Start frame delimiter
- B . Preamble
- C . Cyclic redundancy check
- D . Frame check sequence
Which Layer 2 technology is used to segment a switched network?
- A . Trunking
- B . ISL
- C . LAN
- D . VLAN
How many total addresses for network, broadcast, and host are provided with the subnet mask 255.255.255.240?
- A . 8
- B . 16
- C . 24
- D . 48
A technician implements a new copper connection to Gi2/0/20.
Which command should be used to check the cable length?
- A . test tdr copper-length gigabitethernet 2/0/20
- B . test copper-length tdr gigabitethernet 2/0/20
- C . test tdr copper-port gigabitethernet 2/0/20
- D . test copper-port tdr gigabitethernet 2/0/20
Which Layer 1 device can be used to enlarge the area covered by a single LAN segment?
- A . Router
- B . Repeater
- C . Switch
- D . NIC
A technician has one stack of three N3024. The technician removes the master unit without powering off the stack. This unit is reconfigured with new IP address in the same Layer 2 network.
Which management issue is the result?
- A . A duplicate MAC address
- B . A duplicate IP address
- C . Lost switch configuration
- D . A switch that flashes red LED
Refer to the output:
How has OSPF been configured?
- A . For network type broadcast
- B . With a dead-timer mismatch
- C . For network type point-to-point
- D . With a Peer-to-Peer LSA learning of type 7 LSAs
A technician wants to allow SSH connections to authenticate using an external server. If the external server becomes unreachable, the users created on the switch should be allowed.
What command will accomplish this goal?
- A . AAA authentication login default radius local
- B . AAA authentication ssh default radius enable
- C . AAA authentication login default local radius
- D . AAA authentication ssh default radius none
What is the correct sequence of steps when a web browser accesses a web server?
Which subnet mask provides only two valid IP addresses that can be assigned to hosts?
- A . 255.255.255.248
- B . 255.255.255.254
- C . 255.255.255.252
- D . 255.255.255.256
What are the Protocol Data Units (PDUs) called at the Transport layer?
- A . Data Payload
- B . Frame
- C . Segment
- D . Packets
Which network device functions only at Layer 1 of the OSI model?
- A . Switch
- B . Bridge
- C . Hub
- D . Router
What accurately describes the Simple Network Time Protocol (SNTP)?
- A . Time synchronization algorithms are more complex and account for clock drift
- B . Implemented on a Dell EMC Network OS 9 and OS 10
- C . SNTP devices can act as both clients and servers
- D . Client makes sudden changes to adjust the time
In IPv6 addressing, what refers to four binary characters?
- A . Byte
- B . Bit
- C . Nibble
- D . Block
Which command is used to prevent STP learning on a port that is connected to a server?
- A . #able spanning-tree
- B . #spanning-tree security
- C . #spanning-tree portfast
- D . #spanning-tree off
What action needs to be performed to enable SSH on a new switch?
- A . Enable web services
- B . Create a key pair using the crypto commands
- C . Update the switch to the latest firmware
- D . Disable telnet access
Which of the following is an IPv4 address?
- A . 224.0.0.3/8
- B . 172.16.225.0/23
- C . 10.0.0.255/16
- D . 192.168.0.3/30
A VLAN has been configured to have an IPv6 address and a stateless address autoconfiguration for clients.
Which IPv6 address prefix will the default gateway have on a client?
- A . fd01::/64
- B . fe08::/64
- C . fe80::/64
- D . ff02::/8
A network administrator is troubleshooting an OSPF routing issue. There are two paths to a destination network from one switch. In addition, one path is comprised of four 1 Gb links.
The other path is comprised of two 1 Gb and two 100 Mb links. The administrator ran several trace routes and notices that the packets are swapping back and forth between the two paths.
Which corrective action must be taken on the switch infrastructure to correct this issue?
- A . Manually specify the OSPF Router ID on each switch within the path.
- B . Break the paths into multiple OSPF areas.
- C . Change the reference speed used by OSPF in cost calculations on all switches within the path.
- D . Switch all routing protocols to RIPv2.
Which command shows active telnet sessions on Dell N-Series switches?
- A . Show hosts
- B . Show sessions
- C . Show users accounts
- D . Show line telnet
What criteria is used to determine STP root elections?
- A . Highest Port Numbers
- B . Lowest Router ID
- C . Lowest Bridge ID
- D . Highest Bandwidth
What is a valid subnet mask?
- A . 0.0.255.255
- B . 255.255.0.128
- C . 255.255.255.255
- D . 255.256.255.0
Which command enables the read-write network monitoring community string?
- A . #snmp-server community public ro
- B . #snmp-server community netmon rw
- C . #snmp-server community private wr
- D . #snmp-server community public read
Refer to the output:
console#show interfaces switchport te1/0/1 Port: Te1/0/1
VLAN Membership Mode: General Mode Access Mode VLAN: 1 (default)
General Mode PVID: 9 General Mode Ingress Filtering: Enabled General Mode
Acceptable Frame Type: Admit All
General Mode Dynamically Added VLANs: General Mode Untagged VLANs: 1, 9
General Mode Tagged VLANs: 10-11 General Mode Forbidden VLANs: Trunking
Mode Native VLAN: 1 (default)
Trunking Mode Native VLAN Tagging: Disabled Trunking Mode VLANs Enabled: All
Private VLAN Host Association: none Private VLAN Mapping:
Private VLAN Operational Bindings: Default Priority: 0
Protected: Disabled console#
What VLAN will untagged ingress traffic be assigned?
- A . VLAN 20
- B . VLAN 9
- C . VLAN 10
- D . VLAN 1
Which Dell EMC Networking M-Series 10 GbE switch model supports a VLT?
- A . MXL
- B . M6220
- C . M6348
- D . M8024-K
What is administrative distance value for default static routes?
- A . 0
- B . 1
- C . 10
- D . 20
What accurately describes the Network Time Protocol (NTP)?
- A . Implemented on a Dell EMC Network OS 6.
- B . Time synchronization algorithms do not account for clock drift
- C . Client synchronizes among a set of distributed time servers.
- D . Client makes sudden changes in time to keep synchronized.
What accurately describes the comparison between stacking and VLT?
- A . VLT allows for more physical devices to appear as one virtual device than stacking does.
- B . Stacked switches share a common control plane while VLT peers maintain their own control plane
- C . Stacked switches and VLT peers allow “single pane of glass” management by maintaining a single control plane.
- D . Both VLT and stacking allow devices to use different versions of firmware provided that the switch family/series is the same.
A network admin wants to secure SNMP access to the switch using an ACL named SPLUNKSRV.
Which command will accomplish this task?
- A . snmp-server community admin14344 permit SPLUNKSRV
- B . snmp-server community admin14344 SPLUNKSRV rw
- C . snmp-server community admin14344 allow SPLUNKSRV
- D . snmp-server community admin14344 rw SPLUNKSRV
On Switch A, a static route has been redistributed into OSPF.
Which type of OSPF router will this process make Switch A?
- A . Autonomous System Boundary Router (ASBR)
- B . Designated router (DR)
- C . Area Border Router (ABR)
- D . Backbone Router (BR)
Which switchport command must be applied to an interface to allow Voice VLAN configurations?
- A . Switchport mode general
- B . Switchport voice detect auto
- C . Switchport mode trunk
- D . Switchport dot1q ethertype 802.1Q
What is the Organizationally Unique Identifier (OUI) in the MAC address 00:C4:4F:23:AF:4A?
- A . 00:C4:4F
- B . 00:C4:4F:23
- C . 23:AF:4A
- D . 4F:23:AF:4A
You have been tasked with designing an IPv4 scheme for the 192.168.40.0/24 network.
What subnet mask can be used to produce at least five networks that can each support 28 hosts?
- A . 255.255.255.224
- B . 255.255.255.128
- C . 255.255.255.240
- D . 255.255.255.192
How will RIP treat packets that have exceeded the default maximum hop count?
- A . RIP will return the traffic back to the last hop and retransmit via another path.
- B . RIP will consider the destination subnet to be reachable.
- C . RIP will place traffic in a buffer until the hop count is manually reset.
- D . RIP will consider the destination subnet to be unreachable.
Which sequence represents a TCP half closed session?
- A . SYN, ACK, and SYN
- B . FIN, ACK, and SYN
- C . SYN, ACK, and FIN
- D . FIN, ACK, and FIN
What is the aggregated lanes’ maximum speed rating for a QSFP28 transceiver?
- A . 4 Gbps
- B . 40 Gbps
- C . 112 Gbps
- D . 128 Gbps
A client must connect a printer located on a public area on an X1000. The client is concerned someone will use the printer Ethernet cable to gain unauthorized network access.
Which configuration will help prevent unauthorized accesses?
- A . Enable Port Security with Classic Lock mode
- B . Enable Protected Port on the port connected to the printer
- C . Enable Port Security with Dynamic Lock mode
- D . Enable DHCP Snooping on the printer VLAN
Root bridge Switch A is connected to Switch B. They are connected using the same corresponding interfaces Gi1/01 and Gi1/0/2 on both sides.
Which interface becomes a root port?
- A . Switch A Gi1/0/1
- B . Switch A Gi1/0/2
- C . Switch B Gi1/0/1
- D . Switch B Gi1/0/2
Which LLDP-MED TLV communicates DSCP values?
- A . Network policy
- B . Port description
- C . System description
- D . Local identification
What are the mandatory TLV fields in a LLDP PDU frame?
- A . IP Address
Default Gateway
Port ID - B . Port Description
System Name
System Description - C . Chassis ID
Port ID
Time-to-Live - D . System Capabilities
Management Address
Time-to-Live
How many discrete LAN networks are shown in the graphic?
- A . 2
- B . 4
- C . 6
- D . 9
Which port states are used in both spanning tree and rapid spanning port tree protocols?
- A . Learning and Discarding
- B . Learning and Forwarding
- C . Listening and Blocking
- D . Listening and Forwarding
The IEEE separates the Data Link and Physical ISO layers into four sub-layers.
Based on the exhibit, what is the correct order of these sub-layers; from lowest to highest?
Which protocols use a central server to authenticate users?
- A . ARP and IMAP
- B . RADIUS and ARP
- C . TACACS+ and IMAP
- D . TACACS+ and RADIUS
Which IPv4 address is in the same network as the IP address 182.15.24.40/23 and assignable to a host device?
- A . 182.15.23.224
- B . 182.15.25.0
- C . 182.15.25.255
- D . 182.15.26.10
You recently joined a company as a junior-level network administrator. You have been tasked with designing the IPv4 scheme for five networks that will be used for training classrooms.
These networks need to support no more than 28 devices each. Due to the existing network design, the senior-level network administrator has asked you to work on the network 192.168.40.0/24.
If all networks must be made to logically start with the lowest numbered network and end with the largest numbered network, which subnet mask achieves this design?
- A . 255.255.255.128
- B . 255.255.255.192
- C . 255.255.255.224
- D . 255.255.255.240
Which is the slowest standard that a CAT6 cable supports?
- A . 100BASE-FX
- B . 10GBASE-T
- C . 10BASE5
- D . 1000BASE-T
What is the default route preference value for a Border Gateway Protocol (BGP) internal route?
- A . 40
- B . 110
- C . 200
- D . 253