Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
53 Cards in this Set
- Front
- Back
|
Question
|
Answer
|
|
|
T/F: When using EIGRP in a NBMA environment, split horizon can be turned off to enable routing to function properly.
|
TRUE
|
|
|
Which of the following is an extended distance GBIC:
1000Base-TX 1000Base-LX/LH 1000Base-SX 1000Base-ZX |
1000Base-ZX
|
|
|
What is the default authentication method in EIGRP - clear text, MD5, SHA1, or no authentication?
|
No authentication
|
|
|
What is the minimum frame size in an Ethernet?
|
64 bytes
|
|
|
VTP: 802.1p sets which bits in the 802.1q frame?
|
PRI - priority bits (3)
|
|
|
Frame relay: What is the meaning of a PVC Status = INACTIVE?
|
The connection from the local router to the switch is working, but the connection to the remote router is not available.
|
|
|
Frame relay: What is the meaning of a PVC Status = DELETED?
|
No LMI information is being received from the Frame Relay switch; this can indicate that the connection between the CPE and DCE is not functional.
|
|
|
What techniques will solve the split-horizon problem in a partial mesh frame relay network?
|
1. Use subinterfaces
2. Turn off split horizon? 3. Convert to full mesh (note: split horizon is disabled by default on frame relay spoke-and hub.) |
|
|
What is the LMI keepalive packet default frequency?
|
Every 10 seconds.
|
|
|
What are the key commands to diagnose frame relay problems?
|
show frame-relay pvc
show frame-relay map show frame-relay lmi show frame-relay route |
|
|
What command would you use to see if vtp pruning is enabled?
|
show vtp
|
|
|
What are the four ISDN reference points?
|
R, S, T, and U.
|
|
|
T/F: A VTY (telnet) session can be established to a router without the use of a password.
|
FALSE
|
|
|
Commands to disable split horizon for RIP and EIGRP
|
interface mode
#no ip split-horizon #no ip split-horizon eigrp |
|
|
Two possible modes for an IOS session
|
User EXEC
Privileged Exec |
|
|
IOS: What do major commands do?
|
Cause the CLI to enter a specific connfiguration mode
|
|
|
Define VLAN Trunking Protocol
|
A layer 2 messaging protocol that maintains VLAN configuration consistency... minimizes misconfigurations such as duplicate VLAN names
|
|
|
Commands to configure VTP.
|
#vtp mode server | client | transparent
#vtp domain <name> #vtp password <password> #vtp pruning |
|
|
Commands to show VTP status
|
#show vtp status
|
|
|
Command to delete a vlan
|
#no vlan <id>
|
|
|
RTSP port states
|
discarding
learning forwarding |
|
|
RTSP port roles
|
Root
Designated Alternate Backup Disabled |
|
|
What is the RTSP port-role of a port on the root switch?
|
Designated
|
|
|
IOS command to configure RTSP+
|
#spanning-tree mode rapid-pvst
|
|
|
What command would you use to configure RTSP?
|
#spanning-tree mode mst
|
|
|
IOS command to configure native VLAN for a trunk
|
#switchport trunk native vlan <x>
|
|
|
IOS command to determine which VTP server sent an update to this switch?
|
#show vtp status
|
|
|
A port is configured for port-security, a maximum number of addresses, but not sticky. Where are the dynamically-learned addresses stored?
|
In the mac address-table. If "sticky" is used, they are stored in running-config
|
|
|
In order for VTP synchronization must occur, what 3 parameters must match?
|
Domain name, password, and version.
|
|
|
You issue the command #show frame-relay pvc.
What does PVC status of STATIC mean? |
Keepalives have been disabled on the port.
|
|
|
What is the function of the command #banner incoming
|
creates a "banner exec" message (i.e. after login) for reverse telnet sessions.
|
|
|
What IOS command should you use to determine which end (DTE or DCE) of a serial cable is connected to a router?
|
#show controllers serial
|
|
|
Describe 3 ways to reset the VTP version number.
|
1. Change mode to transparent, then back
2. Change domain name to a temporary, then back 3. Delete flash:vlan.dat |
|
|
In a frame-relay map command an IP address is displayed. Is it the address of the local router or the remote router?
|
The remote router
|
|
|
PVCs that are created using the frame-relay map command are marked as ____________ in #show frame-relay pvc
|
static (dynamic for inverse ARP)
|
|
|
What is the default VTP version number?
|
1
Use #vtp version 2 to force version 2 |
|
|
Will a switch in VTP transparent mode forward VTP information?
|
In VTP version 1, it will only if the vtp domain name is NULL or matches.
In VTP version 2, it will always forward. |
|
|
Under what conditions does an EIGRP router use multicasting to send query packets to its neighbors?
|
The current successor becomes unreachable and no feasible successors exist
|
|
|
What is the effect of the command #ip subnet-zero
|
It must be present (or defaulted) in order to use the first and last subnets (zero and broadcast)
|
|
|
When using frame-relay sub-interfaces, what three things do you configure on the subinterface?
|
#ip address
#frame-relay map #frame-relay interface-dlci |
|
|
Describe 3 options to complete the command: #switchport port-security violation __________
|
1. protect: discard traffic, do not increment counter
2. restrict: discard traffic and increment counter 3. shutdown: disable port, SNMP trap. |
|
|
When is RTSP information "aged out"?
|
1. Max age expires (20 seconds)
2. On a given port, 3 consecutive hellos are missed (6 seconds) |
|
|
RIP is configured with the default settings. What versions of update messages will it send and receive?
|
RIP will send RIPv1 update messages
RIP will receive RIPv1 or RIPv2 messages |
|
|
How to determine successor and feasible successor routes for EIGRP.
|
1. #show ip eigrp topology
2. Examine numbers in parenthesis: (fd,rd) 3. If RD of the non-successor route < FD of the successor route, it is a feasible successor. |
|
|
Describe the purpose of the following multicast addresses:
224.0.0.1 224.0.0.2 224.0.0.5 224.0.0.6 224.0.0.9 224.0.0.10 |
224.0.0.1 = all hosts
.224.0.0.2 = all routers 224.0.0.5 = OSPF 224.0.0.6 = OSPF DRs .224.0.0.9 RIPv2 224.0.0.10 = EIGRP |
|
|
In PPP, what protocol negotiates the network layer protocols?
|
NCP, not LCP.
|
|
|
What is a VMPS?
|
VLAN Membership Policy Server - assigns switch ports to a VLAN based on MAC address
|
|
|
Can the OSPF command
#default-information originate create a routing loop? |
Yes
|
|
|
What are the three link-types in RSTP? Which one is handled differently than STP?
|
Link types: Edge, Shared, Point-to-Point.
Point to Point is handled differently. |
|
|
Which frame-relay encapsulation type should be used between a Cisco router and a non-Cisco router?
|
#frame-relay encapsulation ietf
(not ansi or cisco) |
|
|
On a frame-relay interface, the serial line is up but the line protocol is down. What are two possible causes?
|
1. lmi-type mismatch
2. No clock signal received on the serial interface |
|
|
frame relay command:
#interface serial 0/ 0.1 multipoint what is the effect of the multipoint keyword? |
1. All participating interfaces on the remote routers will be configured in the same subnet.
2. Split horizon issues will need to be resolved. |
