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Test your basic knowledge |
CCIE Vocab
Start Test
Study First
Subjects
:
certifications
,
ccie
,
it-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The process of taking the IP and TCP headers of a packet - compressing them - and then uncompressing them on the receiving router.
customer edge
queue starvation
TCP header compression
infrastructure mode
2. An MPLS VPN term referring to any LSR that connects to customers to support the forwarding of unlabeled packets - as well as connecting to the MPLS network to support labeled packets - thereby making the LSR be on the edge between the provider and th
LDP
Data Terminal Ready
MLD
provider edge
3. Copper cable with RJ-45 connectors in which a twisted pair at pins 1 -2 on the first end of the cable is connected to pins 3 -6 on the other end - with a second pair connected to pins 3 -6 on the first end and pins 1 -2 on the other end.
map class
cross-over cable
SSID
shortest-path tree switchover
4. An E-LSR in an MPLS VPN network whose role in a particular discussion is to receive labeled packets from other LSRs and then forward the packets as unlabeled packets to CE routers.
egress PE
multicast state information
CBAC
proxy ARP
5. On a serial cable - the pin lead set by the DTE to tell the DCE that the DTE wants to send data.
committed information rate
well-known mandatory
Ready To Send
multicast IP address structure
6. EIGRP jargon meaning that EIGRP has placed a route into active status.
Fast Secure Roaming
Operation - Administration - and Maintenance
DE
going active
7. VLAN Trunking Protocol.
SVC
IP SLA responder
encapsulation replication
VTP
8. DCE devices are one of two devices on either end of a communications circuit - specifically the device with more control over the communications. Frame Relay switches are DCE devices. DCEs are also known as data circuit-terminating equipment (DTE).
TDP
data communications equipment
Maxage timer (STP)
Label Distribution Protocol
9. Inverse ARP.
NetFlow
client tracking
Hot Standby Router Protocol
InARP
10. An optimized Layer 3 forwarding path through a router or switch. CEF optimizes routing table lookup by creating a special - easily searched tree structure based on the contents of the IP routing table. The forwarding information is called the Forward
SSID
shaping rate
Cisco Express Forwarding
Bc
11. In 802.1X - the computer that stores usernames/passwords and verifies that the correct values were submitted before authenticating the user.
authentication
authentication server
infrastructure mode
ORIGIN
12. The process of breaking a frame into pieces - sending some of the fragments - and then sending all or part of a different packet - all of which is done to reduce the delay of the second packet.
NAT
Link Fragmentation and Interleaving
Graft Ack message
adjacent-layer interaction
13. Dynamic Trunking Protocol.
administrative scoping
Forwarding Information Base
DTP
multicast scoping
14. Burst With shaping and policing - the number of additional bits that may be sent after a period of relative inactivity.
service set identifier
IGMPv1 Host Membership Query
VRF table
Excess
15. An event in which a new packet arrives - needing to be placed into a queue - and the queue is full
High Density Binary 3
tail drop
component route
E2 route (OSPF)
16. Multilayer Switching.
smurf attack
Graft message
MLS
High Density Binary 3
17. The IPv6 protocol used for the discovery of which hosts are listening for which multicast IP addresses for IPv6.
Cisco Express Forwarding
SNMP manager
DROther
Multicast Listener Discovery
18. The router in a VRRP group that is currently actively forwarding IP packets. Conceptually the same as an HSRP Active router.
VRRP Master router
IGMPv2 Leave
solicited node multicast
IP PBX
19. When a Query is received from a router - each host randomly picks a time between 0 and the Maximum Response Time period to send a Report. When the host with the smallest time period first sends the Report - the rest of the hosts suppress their report
MaxAge (OSPF)
dense-mode protocol
Classless IP Addressing
Report Suppression mechanism
20. Custom queuing
Type of Service byte
CQ
RMON collector
payload compression
21. Defined in FRF.11 - an FR VC that uses a slightly varied header - as compared with FRF.3 data VCs - to accommodate voice payloads directly encapsulated inside the Frame Relay LAPF header.
T1
MPLS Experimental (EXP)
Voice over Frame Relay
AS_PATH prepending
22. The IP address used by hosts as the default gateway in a VRRP configuration. This address is shared by two or more VRRP routers - much as HSRP works.
Route Tag field
Dynamic Trunking Protocol
straight-through cable
virtual IP address
23. In switch port security - the process whereby the switch dynamically learns the MAC address(es) of the device(s) connected to a switch port - and then adds those addresses to the running configuration as allowed MAC addresses for port security.
sticky learning
Type of Service byte
root port
DSCP-to-CoS map
24. A logical concept that represents the path over which frames travel between DTEs. VCs are particularly useful when comparing Frame Relay to leased physical circuits.
virtual circuit
TCP code bits
well-known mandatory
multi-action policing
25. Cisco-proprietary STP feature in which switches use messaging to confirm the loss of Hello BPDUs in a switch's Root Port - to avoid having to wait for maxage to expire - resulting in faster convergence.
dual stack
virtual link
QoS pre-classification
BackboneFast
26. A method of collecting traffic received on a switch port or a VLAN and sending it to specific destination ports on the same switch.
token bucket
SPAN
totally NSSA area
Update (EIGRP)
27. A Cisco-proprietary feature by which multiple routers can provide interface IP address redundancy so that hosts using the shared - virtual IP address as their default gateway can still reach the rest of a network even if one or more routers fail.
Discard Eligible
Hot Standby Router Protocol
Class-Based Marking
IP Control Protocol
28. A Cisco-proprietary protocol - used by LAN switches to communicate VLAN configuration.
NTP symmetric active mode
subnet number
VLAN Trunking Protocol
Time to Live
29. In MQC and CB Policing - a configuration style by which - for one category of packets (conform - exceed - or violate) - more than one marking action is defined for a single category. For example - marking DSCP and DE.
multi-action policing
Port Aggregation Protocol
Area Border Router
link-local
30. With a routing update - or routing table entry - the portion of a route that defines the next router to which a packet should be sent to reach the destination subnet. With routing protocols - the Next Hop field may define a router other than the rout
Next Hop field
custom queuing
DS0
Update (EIGRP)
31. A Cisco-proprietary messaging protocol implemented in WAN switches that can be used to signal network status - including congestion - independent of end-user frames and cells.
Graft message
ForeSight
IP Control Protocol
passive (EIGRP)
32. In an IOS confederation configuration - the actual ASN as seen by eBGP peers.
classful IP addressing
quartet
subnet zero
confederation identifier
33. A type of routing protocol convergence event in which the metric for a route increases slightly over time because of the advertisement of an invalid route.
counting to infinity
FIB
Backward Explicit Congestion Notification
IPCP
34. With OSPF - the timer used to determine when a neighboring router has failed - based on a router not receiving any OSPF messages - including Hellos - in this timer period.
Dead Time/Interval
administratively scoped addresses
GetNext
RPVST+
35. A 48-bit address that is calculated from a Layer 3 multicast address by using 0x0100.5E as the multicast vendor code (OUI) for the first 24 bits - always binary 0 for the 25th bit - and copying the last 23 bits of the Layer 3 multicast address.
triggered updates
multicast MAC address
public wireless LAN
poison reverse
36. A group of devices on one or more LANs that are configured (using management software) so that they can communicate as if they were attached to the same wire - when - in fact - they are located on a number of different LAN segments. Because VLANs are
virtual LAN
IPv4
global routing prefix
passive mode FTP
37. The common set of IOS configuration commands that is used with each QoS feature whose name begins with "Class-Based."
E-LSR
E3
Modular QoS CLI
U/L bit
38. On a single computer - one layer provides a service to a higher layer. The software or hardware that implements the higher layer requests that the next lower layer perform the needed function.
Slow Start
multicast MAC address
adjacent-layer interaction
TTL scoping
39. Designed to solve the problems of multicast duplication and multicast routing loops. For every multicast packet received - a multicast router examines its source IP address - consults its unicast routing table - determines which interface it would us
SNMP agent
RPF check
regular expression
sub-AS
40. Tag Distribution Protocol.
TDP
variable-length subnet masking
MLP
NTP server mode
41. From one multicast router's perspective - the upstream router is another router that has just forwarded a multicast packet to that router.
PAgP
upstream router
NLRI
Tc
42. An MPLS term referring to any device that can forward packets that have MPLS labels.
NTP client mode
Label Switch Router
full drop
Data Carrier Detect
43. The initial 802.11 common key encryption mechanism; vulnerable to hackers.
TDP
neighbor state
average queue depth
Wired Equivalent Privacy
44. Link Access Procedure for Frame-Mode Bearer Services.
LAPF
NO_EXPORT_SUBCONFED
encapsulation replication
Outside Local address
45. A queuing scheduler concept - much like CQ's scheduler - in which queues are given some service in sequence. This term is often used with queuing in Cisco LAN switches.
customer edge
weighted round-robin
source DR
LACP
46. A method of Link Fragmentation and Interleaving (LFI) over interfaces that natively use Frame Relay encapsulation. The routers first build MLP-style PPP headers - which are then encapsulated inside a Frame Relay header. The PPP headers are then used
Frame Relay LFI Using Multilink PPP (MLP)
subnet number
variable-length subnet masking
AS_SEQUENCE
47. In BGP - a set of routers inside a single administrative authority - grouped together for the purpose of controlling routing policies for the routes advertised by that group to the Internet.
virtual IP address
ACS
Layer 2 payload compression
autonomous system
48. The portion of PPP focused on supporting the CDP protocol.
CDP Control Protocol
Cisco Group Management Protocol
Temporal Key Integrity Protocol
well-known mandatory
49. The process of taking the payload inside a Layer 2 frame - including the headers of Layer 3 and above - compressing the data - and then uncompressing the data on the receiving router.
CB Marking
Layer 2 payload compression
GRE
Trap (SNMP)
50. Refers to how a router views a BGP peer relationship - in which the peer is in the same AS.
internal BGP
straight-through cable
NA
Dijkstra Algorithm