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Test your basic knowledge |
CCIE Vocab
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Subjects
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certifications
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ccie
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it-skills
Instructions:
Answer 50 questions in 15 minutes.
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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. Clear To Send.
monitor session
external route
isolated VLAN
CTS
2. The process of sending an infinite-metric route in routing updates when that route fails.
variance
route poisoning
MPLS TTL propagation
Exterior Gateway Protocol
3. The data structure used by OSPF to hold LSAs.
Remote VLAN
DS0
link-state database
multicast scoping
4. Cisco-proprietary STP feature in which a switch port - known to not have a bridge or switch attached to it - transitions from disabled to forwarding state without using any intermediate states.
Hot Standby Router Protocol
PortFast
backbone area (OSPF)
Maxage timer (STP)
5. A contiguous group of data links that share the same OSPF area number.
permanent virtual circuit
adjacency (EIGRP)
area (OSPF)
eBGP
6. An MPLS VPN term referring to a router at a customer site that does not implement MPLS.
LOF
Update timer (RIP)
customer edge
Boot Protocol
7. A state for a route in an EIGRP topology table that indicates that the router believes that the route is stable - and it is not currently looking for any new routes to that subnet.
PCM
fragmentation
passive (EIGRP)
trunking
8. An 802.1d STP port state in which the port sends and receives frames.
flash updates
joining a group
forwarding state
single-rate - two-color policer
9. Assured Forwarding. A set of DiffServ PHBs that defines 12 DSCP values - with four queuing classes and three drop probabilities within each queuing class.
interface ID
Multicast Listener Discovery
AF
Diffusing Update Algorithm
10. Exterior Gateway Protocol.
classless interdomain routing
EGP
switched virtual circuit
multipath
11. A process on a computing device that accepts SNMP requests - responds with SNMP-structured MIB data - and initiates unsolicited Trap messages back to an SNMP management station.
SNMP agent
active mode FTP
Retransmission Timeout
DROther
12. Instead of advertising all routes out a particular interface - the routing protocol omits the routes whose outgoing interface field matches the interface out which the update would be sent.
split horizon
man-in-the-middle attack
MIB-I
UplinkFast
13. Point-to-Point Protocol over Ethernet. A convention often used as the data link protocol over Cable in which Ethernet is used as the data link protocol - but with PPP being encapsulated inside Ethernet. The combination gives the data link features of
frequency hopping spread spectrum
PPPoE
maximum threshold
split horizon
14. An FRF standard for payload compression.
ad hoc mode
FRF.9
AR access rate.
Root Guard
15. Link Control Protocol.
private AS
LCP
IP forwarding
DR
16. WRED compares this setting to the average queue depth to decide whether packets should be discarded. No packets are discarded if the average queue depth falls below this minimum threshold.
SRTT
minimum threshold
internal router (OSPF)
designated port
17. An NTP mode in which an NTP host does not adjust its clock - but in which it sends NTP messages to clients so that the clients can update their clocks based on the server's clock.
Differentiated Services
LOS
High Density Binary 3
NTP server mode
18. The process of taking a PDU from some other source and placing a header in front of the original PDU - and possibly a trailer behind it.
FRF.9
AS number
encapsulation
Voice over Frame Relay
19. A field within a route entry in a routing update - used to associate a generic number with the route. It is used when passing routes between routing protocols - allowing an intermediate routing protocol to pass information about a route that is not n
IP Precedence
partial SPF calculation
service policy
Route Tag field
20. A name used for DS3 lines inside the North American TDM hierarchy.
reported distance
T3
TKIP
FECN
21. A Cisco-proprietary STP implementation - created many years before IEEE 802.1s and 802.1w - that speeds convergence and allows for one STP instance for each VLAN.
Slow Start Threshold
mark probability denominator
Per-VLAN Spanning Tree Plus
encapsulation replication
22. Modified Deficit Round-Robin.
service set identifier
MDRR
Query (EIGRP)
prefix
23. A routing protocol feature by which the routing update includes the entire set of routes - even if some or all of the routes are unchanged.
OTP
VRRP
Clear To Send
full update
24. In IP routing - a term referring to the building of IP routing tables by IP routing protocols.
Port Address Translation
control plane
Network Based Application Recognition
collision domain
25. A workstation or server configured to collect and present RMON data for reporting purposes.
shared mode
Measured Round-Trip Time
RMON collector
Update (EIGRP)
26. The portion of PPP focused on features that are unrelated to any specific Layer 3 protocol.
Operation - Administration - and Maintenance
Link Control Protocol
Smoothed Round-Trip Time
LxPDU
27. Network Address Translation-Protocol Translation.
Frame Relay LFI Using Multilink PPP (MLP)
NAT-PT
CEF
Class Selector
28. Multicast Listener Discovery.
MLD
Dead Time/Interval
multicasting
Web Cache Communication Protocol
29. A Cisco-proprietary protocol - used by LAN switches to communicate VLAN configuration.
local label
RSTP
Border Gateway Protocol
VLAN Trunking Protocol
30. The first 48 bits of an IPv6 global address - used for efficient route aggregation.
low-latency queuing
MRT
global routing prefix
partial SPF calculation
31. A characterization of a network attack in which packets flow to the attacker - and then out to the true recipient. As a result - the user continues to send data - increasing the chance that the attacker learns more and better information.
authentication - authorization - and accounting
AS number
Set (SNMP)
man-in-the-middle attack
32. The content engine in a WCCP cluster - which determines how traffic will be distributed within the cluster.
sequence number (WFQ)
Forward Delay
Lead Content Engine
IEEE 802.1X
33. An OSPF area into which external (type 5) LSAs are not introduced by its ABRs; instead - the ABRs originate and inject default routes into the area.
ACE
stub area
proxy ARP
NTP client mode
34. VLAN Trunking Protocol.
VTP
ARP
SF
NO_EXPORT
35. A switch feature with which the switch watches ARP messages - determines if those messages may or may not be part of some attack - and filters those that look suspicious.
Dynamic ARP Inspection
querier election
Link-State Acknowledgment
FRF.9
36. Sent by a PIM router - by default every 30 seconds - on every interface on which PIM is configured to discover neighbors - establish adjacency - and maintain adjacency.
PIM Hello message
CQ
UplinkFast
fully adjacent (OSPF)
37. The first 4 bits of the first octet must be 1110. The last 28 bits are unstructured.
multicast IP address structure
Tag Distribution Protocol
half duplex
Source-Specific Multicast (SSM)
38. The term to describe a router that is neither the DR nor the BDR on a subnet that elects a DR and BDR.
DROther
RARP
stuck-in-active
half duplex
39. A wireless LAN physical layer that operates at up to 54-Mbps data rates using OFDM in the 5-GHz band.
transient multicast group
802.11a
Bc
Forwarding Information Base
40. A type of OSPF packet used to acknowledge LSU packets.
LSU
Link-State Acknowledgment
FHSS
Per-VLAN Spanning Tree Plus
41. A reserved value for the BGP COMMUNITY path attribute that implies that the route should not be advertised outside the local confederation sub-AS.
IP Source Guard
mark probability denominator
LOCAL_AS
CDPCP
42. A Frame Relay traffic shaping feature during which the shaping rate is reduced when the shaper notices congestion through the receipt of BECN or ForeSight messages.
IOS Intrusion Prevention System (IPS)
adaptive shaping
well-known mandatory
IGMPv3 Host Membership Query
43. Controls the distribution of multicast traffic for the private multicast address range 239.0.0.0 to 239.255.255.255 by configuring a filter and applying it on the interfaces.
802.11g
administrative scoping
SPF algorithm
Point-to-Point Protocol
44. Orthogonal frequency division multiplexing.
Assured Forwarding
OFDM
FRF.9
PIR
45. 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.
autonomous system
Measured Round-Trip Time
port security
DTP
46. In the PIM-SM design - the central distribution point to which the multicast traffic is first delivered from the source designated router.
weighted tail drop
authentication method
Route Target
rendezvous point
47. Quantum value.
Operation - Administration - and Maintenance
Route Tag field
QV
Link Access Procedure for Frame-Mode Bearer Services
48. The RFC-standard MPLS protocol used to advertise the binding (mapping) information about each particular IP prefix and associated label. See also TDP.
classful IP addressing
AR access rate.
Smoothed Round-Trip Time
Label Distribution Protocol
49. An E-LSR in an MPLS VPN network whose role in a particular discussion is to receive unlabeled packets over customer links and then forward the packets as labeled packets into the MPLS network.
AS_SET
ingress PE
AF
T1
50. Inside telcos' original TDM hierarchy - the smallest unit of transmission at 64 kbps.
T1
FRF.8
adjacency table
Digital Signal Level 0
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