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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 - defined by FRF.5 and FRF.8 - for combining ATM and FR technologies for an individual VC.
Service Interworking
Digital Signal Level 1
permanent virtual circuit
WCCP cluster
2. A TCP variable that defines the largest number of bytes allowed in a TCP segment's Data field. The calculation does not include the TCP header. With a typical IP MTU of 1500 bytes - the resulting default MSS would be 1460. TCP hosts must support an M
confederation ASN
Port Aggregation Protocol
generic traffic shaping (GTS)
Maximum Segment Size
3. A multicast routing protocol whose default action is to flood multicast packets throughout a network.
promiscuous port
permanent virtual circuit
External BGP
dense-mode protocol
4. Source-specific multicast.
SPF algorithm
SSM
administratively scoped addresses
802.11a
5. An optional contention-free 802.11 access protocol that requires the access point to poll wireless stations before they are able to send frames. Not commonly implemented.
BECN
point coordination function
Protocol Independent Multicast dense-mode routing protocol
triggered updates
6. A type of spread spectrum that spreads RF signals over the frequency spectrum by representing each data bit by a longer code. 802.11b specifies the use of DSSS.
direct sequence spread spectrum
Maxage timer (STP)
UniDirectional Link Detection
Route Target
7. Records client authentication and roaming events - which are sent to the CiscoWorks Wireless LAN Solution Engine (WLSE) to monitor client associations to specific access points.
superior BPDU
High Density Binary 3
client tracking
VC
8. The characterization of how far EIGRP Query messages flow away from the router that first notices a failed route and goes active for a particular subnet.
optional transitive
query scope (EIGRP)
receiver's advertised window
QV
9. An IPv6 address format used for publicly registered IPv6 addresses.
Frame Relay LFI Using Multilink PPP (MLP)
K value
aggregatable global unicast address
CHAP
10. Aka receiver's advertised window.
router ID
advertised window
encapsulation
direct sequence spread spectrum
11. A BGP feature that defines the IP TTL field value in packets sent between two eBGP peers. This feature is required when using IP addresses other than the interface IP address on the link between peers.
active mode FTP
FRF.5
eBGP multihop
Bootstrap Router (BSR)
12. A strategy for subnetting a classful network for which masks/prefixes are different for some subnets of that one classful network.
Trap (SNMP)
routing black hole
variable-length subnet masking
SPAN
13. In Frame Relay - a link between a router and a Frame Relay switch.
token bucket
access link
optional nontransitive
maximum transmission unit
14. 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.
neighbor state
LSU
FEC
virtual IP address
15. Quantum value.
inner label
stub router (OSPF)
Query (EIGRP)
QV
16. A mapping between each DSCP value and a WRED threshold - often used in Cisco LAN switches when performing WRED.
Multilink PPP
proxy ARP
Dijkstra Algorithm
DSCP-to-threshold map
17. Diffusing Update Algorithm.
Forward Explicit Congestion Notification
DUAL
TTL
unicast MAC address
18. A network/subnet over which two or more OSPF routers have become neighbors - thereby being able to forward packets from one router to another across that network.
transit network (OSPF)
priority queue
B8ZS
MIB walk
19. The first 4 bits of the first octet must be 1110. The last 28 bits are unstructured.
multicast IP address structure
Prune Override
nested policy maps
encapsulation
20. The data structure used by OSPF to hold LSAs.
Dijkstra Algorithm
Frame Relay Forum
authentication
link-state database
21. On a multiaccess network - when a PIM-DM or PIM-SM router receives a Prune message - it starts a 3-second timer. If it receives a Join message on the multiaccess network from another router before the timer expires - it considers the message as an ov
beacon
WEP
Prune Override
successor route
22. In the context of SNMP - the Trap command is sent by an SNMP agent - to a manager - when the agent wants to send unsolicited information to the manager. Trap is not followed by a Response message from the receiving SNMP manager.
GRE
Trap (SNMP)
MDRR
querier election
23. A Cisco-proprietary feature by which multiple routers can provide interface IP address redundancy - as well as cause a set of clients to load-balance their traffic across multiple routers inside the GLBP group.
DTR
man-in-the-middle attack
Gateway Load Balancing Protocol
subnet number
24. A dotted-decimal number used to help define the structure of an IP address. The binary 0s in the mask identify the host portion of an address - and the binary 1s identify either the combined network and subnet part (when thinking classfully) or the n
Resource Reservation Protocol (RSVP)
Extensible Authentication Protocol
subnet mask
adjacency table
25. In PIM-SM - the path of the group traffic that flows from the RP to the routers that need the traffic. It is also called the root-path tree (RPT) - because it is rooted at the RP.
shared distribution tree
network allocation vector
administratively scoped addresses
Maxage timer (STP)
26. A Cisco 12000 series router feature that combines the key features of LLQ and CQ to provide similar congestion-management features.
CLUSTER_LIST
socket
RTP header compression
Modified Deficit Round-Robin
27. Time Interval.
shaped mode
ATOMIC_AGGREGATE
DMVPN
Tc
28. A message that each host sends - either in response to a router Query message or on its own - to all multicast groups for which it would like to receive multicast traffic.
IGMPv3 Host Membership Report
Enhanced Local Management Interface
P router
IGMPv1 Host Membership Report
29. Cisco Wireless LAN Solution Engine.
WLSE
Multi-VRF CE
interface ID
PE
30. 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.
PIM-DM
DCD
Per-VLAN Spanning Tree Plus
policing rate
31. Slow Start Threshold.
SSThresh
MPLS TTL propagation
DSR
fully adjacent (OSPF)
32. A term referring to the MQC class-map command and its related subcommands - which are used for classifying packets.
MIB walk
storm control
class map
sequence number (OSPF)
33. In wireless LANs - a mechanism that counters issues related to RF interference by dividing a larger 802.11 data frame into smaller frames that are sent independently to the destination. See also LFI.
AS_PATH access list
ASBR
fragmentation
SPF algorithm
34. 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
ACS
Next Hop field
CS
querier election
35. A method of providing dynamically configured spoke-to-spoke VPN connectivity in a hub-and-spoke network that significantly reduces configuration required on the spoke routers compared to traditional IPsec VPN environments.
LOCAL_AS
Dynamic Multipoint VPN
exceed
optional nontransitive
36. 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.
AS_PATH
IP PBX
full update
ASBR
37. An Internet standard serial data-link protocol - used on synchronous and asynchronous links - that provides data-link framing - link negotiation - Layer 3 interface features - and other functions.
AS number
Invalid timer
AS_SEQUENCE
Point-to-Point Protocol
38. An interface on a Cisco IOS-based switch that is treated as if it were an interface on a switch.
switched interface
GLOP addressing
Type of Service byte
minimum threshold
39. Inside telcos' original TDM hierarchy - a unit that combines multiple DS0s into a single channel
Digital Signal Level 1
exponential weighting constant
strict priority
Loop Guard
40. A protocol - defined in RFC 2865 - that defines how to perform authentication between an authenticator (for example - a router) and an authentication server that holds a list of usernames and passwords.
RADIUS
Frame Relay LFI Using Multilink PPP (MLP)
E3
transient multicast group
41. An EIGRP router's reaction to an input event - leading to the use of a feasible successor or going active on a route.
local computation
External BGP
Multiple Spanning Trees
Link Access Procedure for Frame-Mode Bearer Services
42. A standard (RFC 903) protocol by which a LAN-attached host can dynamically broadcast a request for a server to assign it an IP address. See also ARP.
time-division multiplexing
Reverse ARP
K value
RITE
43. A Cisco router feature in which the router works to prevent SYN attacks either by monitoring TCP connections flowing through the router - or by actively terminating TCP connection until the TCP connection is established and then knitting the client-s
TCP intercept
PPP
ABR
ingress PE
44. In IPv6 DNS - the IPv6 equivalent of an IPv4 DNS A record.
CLUSTER_LIST
IGMPv2 Group-Specific Query
AAAA
payload compression
45. A NAT term describing an IP address representing a host that resides inside the enterprise network - with the address being used in packets outside the enterprise network.
wireless LAN controller
average queue depth
Inside Global address
RPF check
46. A BGP path attribute that is communicated throughout a single AS to signify which route of multiple possible routes is the best route to be taken when leaving that AS. A larger value is considered to be better.
LOCAL_PREF
MPD
aggregate route
summary route
47. EAP over LAN.
optional transitive
WLSE
Common Spanning Tree
EAPoL
48. A route that is used for forwarding packets when the packet does not match any more specific routes in the IP routing table.
default route
virtual IP address
PVST+
DTP
49. Any OSPF neighbor for which the database flooding process has completed.
adjacent (OSPF)
WCCP
LSAck
Classic IOS Firewall
50. A number between 1 and 64 -511 (public) and 64 -512 and 65 -535 (private) assigned to an AS for the purpose of identifying a specific BGP domain.
joining a group
DVMRP
AS number
strict priority