ENCOR Set

Whats is the hex value of the 802.1Q Tagged field Type?

0x8100

What is the Normal VLAN range?

1 - 1001

What is the default HSRP Priority?

100

What is the Extended VLAN Range?

1006 - 4096

What is the IP Protocol that VRRP uses?

112

How many bits is the VLAN ID tag?

12 bits

What is the UDP Port that HSRP uses?

1985

How many bits is the Priority tag?

3 bits

What is the default MAC Address aging timer?

300 seconds (5 Minutes)

What STP mode runs a separate instance of spanning tree for each defined VLAN group?

802.1s MST

What modes are used with LACP?

Active, Passive, and On

Which DTP mode does not transmit but listens for negotiations?

Auto Mode

What modes are used with PAgP?

Auto, Desireable, On

Which DTP mode combination will not works on each side of a trunk?

Auto/Auto

Which port role is not forwarding traffic due to STP calculations?

Blocking port

How do you calculate the Bridge ID?

Bridge ID (BID) = Priority + Lowest MAC

Which memory table is primarily used to make L2 Forwarding decisions?

CAM (Content Addressable Memory) Table

Which Cisco proprietary protocol is used to identify neighbors?

CDP

Which switching method is the fastest by creating adjacency/route tables which eliminates the need for constant ARP resolution?

Cisco Express Forwarding (CEF)

What allows the RIB table to be rapidly rebuilt after a SUP failover?

Cisco NSF (Nonstop Forwarding)

Which VTP mode cannot create, modify, or delete VLANs but does send and forward advertisements while synching VLAN configs?

Client Mode

Which secondary PVLAN type resides in the same L2 Broadcast domain?

Community

What are the two types of Secondary PVLANs?

Community and Isolated

What are the two types of BPDUs?

Configuration BPDU and Topology Change Notification (TCN) BPDU

In which plane does OSPF/BGP/STP operate?

Control Plane

Which port role receives and forwards BPDU frames to other switches?

Designated Port (DP)

Which DTP mode attempts to negotiate with corresponding listening sides?

Desirable Mode

What Multicast Destination MAC does VTP use?

Destination MAC 01:00:0C:CC:CC:CC

Which MAC Address is process switching based on?

Destination MAC Address

Which mode will negotiate trunking status if needed?

Dynamic Mode

What can send SPAN frames over L3 domains within GRE/IP?

ERSPAN

Which Port Analyzer mode allows source and dest ports to exist in different LANs?

ERSPAN

How often are LLDP Hello's sent?

Every 30 seconds

True/False: SPAN Destination ports participate in L2 protocols.

FALSE

Which switching method takes the first packet and has the CPU examine it, caching the information for all further forwarding decisions?

Fast Switching (Route Caching)

What three actions can take place when a packet is received?

Forward, Flood, or Discard (FFD)

Which plane processes a packet as it arrives through an inbound interface and then proceeds to forward it out the device through the proper outbound interface?

Forwarding (Data) Plane

How many AVFs can GLBP have?

Four

Which FHRP elects one active gateway to be in charge?

GLBP

Where is VTP Pruning entered?

Globally

Which FHRP uses multicast address 224.0.0.2 and 224.0.0.102?

HSRP

For HSRP, what priority wins. Highest or Lowest?

Highest

In what increment can you increase STP interface cost?

Increments of 16

What does 'spanning-tree mst <#> root primary' do?

Instantly makes the priority for that switch 24576

Which secondary PVLAN type cannot access members of any other secondary PVLANs or other members of the same isolated PVLAN?

Isolated

What vendor-neutral protocol performs physical monitoring of links?

LLDP

What version of STP is related to 802.1D?

Legacy STP

What is better for LACP Port Priority, Higher or Lower values?

Lower number is better. Default is 32768 (can be moved in increments of 4096)

What is another name for the CAM Table?

MAC Address Table

What version of STP is related to 802.1S?

MST

In which plane does SSH/HTTP/Telnet operate?

Management Plane

What are the three Hardware Forwarding planes?

Management, Control, and Forwarding (Data) Planes

Are LACP and PAgP interoperational?

No

How many Designated Ports should there be per link?

One

How many Root Ports should exist?

One per VLAN on a Switch

What are the CEF Load Sharing Algorithms?

Original, Universal, Tunnel, and Include-Ports

What are the two Etherchannel protocols?

PAgP and LACP

What version of STP is enabled by default?

PVST+

What port mode immediately puts a port into the forwarding state?

Portfast

What are the two types of PVLANs?

Primary and Secondary

If HSRP object tracking fails, what happens?

Priority is reduced

Which switching method makes the CPU examine every packet, and all decisions are made by software?

Process Switching

Which port type can allow PVLAN hosts to access the default gateway and be routed?

Promiscuous Ports

What can capture monitoring data on one device and send it to another using a remote VLAN?

RSPAN

Which Port Analyzer mode requires source and dest ports to be on the same LAN?

RSPAN

What version of STP is related to 802.1W?

Rapid STP

What are the benefits of CDPv2?

Reduced Downtime and Rapid Error Tracking

Which STP device has all ports in the forwarding state as Designated Ports and is located at the top of the spanning tree path?

Root Bridge

Which port role connects to the root bridge?

Root Port (RP)

What uses the local devices and ports to perform local network monitoring?

SPAN

Which Port Analyzer mode requires source and dest ports to be on the same device?

SPAN

What is the default VTP mode?

Server Mode

Which VTP mode can create, modify, and delete VLANs while also has the ability to send and forward advertisements while synching VLAN configs?

Server Mode

What does Etherchannel use for default Load Balancing?

Source MAC by default

What must match on the Etherchannel links in order for it to properly function?

Speed and Link Type

Which mode will not negotiate a trunk?

Static Mode

Which memory table stores QoS and ACL information?

TCAM (Ternary Content Addressable Memory) Table

True/False: The BPDU with the lowest numeric value is considered superior.

TRUE

Which VTP Mode must you be in to use Extended VLANs?

Transparent Mode

Which VTP mode can create, modify, and delete local VLANs only. It does forward advertisements, but it does not synchronize VLAN configs.

Transparent Mode

Which DTP mode statically configures the port as a trunk?

Trunk Mode

Which mode forces trunking mode without negotiation?

Trunk Mode

What is the Default CEF Load Sharing Algorithm?

Universal

Which FHRP uses multicast address 224.0.0.18?

VRRP

Which Port Analyzer mode can have the source port as a VLAN?

VSPAN

Is Etherchannel misconfig guard enabled by default?

Yes

Which switchport mode will not transmit or listen to DTP frames?

nonegotiate

What is the command to verify an Etherchannel config?

show etherchannel summary

What command verifies a trunk configuration?

show interface trunk

What command will verify a CEF entry in the FIB?

show ip cef <ip address>

What command allows you to view the CAM table?

show mac address-table

What verifies the SPAN config?

show monitor

What command verifies STP configuration?

show spanning-tree

What command verifies the STP Root Bridge?

show spanning-tree root

What command verifies the STP VLAN configuration?

show spanning-tree vlan <VLAN #>

What disables STP on a port and drops any BPDUs received?

spanning-tree bpdufilter enable

What places the port in an "inconsistent state" when a BPDU is received?

spanning-tree guard root

What command puts a port immediately into the forwarding state?

spanning-tree portfast

What command sets the Root Bridge for a specific VLAN?

spanning-tree vlan <VLAN #> root primary

What command is used to allow VLANs on a trunk port?

switchport trunk allowed vlan add <vlan #>