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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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study here
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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. Boot Protocol. A standard (RFC 951) protocol by which a LAN-attached host can dynamically broadcast a request for a server to assign it an IP address - along with other configuration settings - including a subnet mask and default gateway IP address.
fraggle attack
priority queue
Triggered Extensions to RIP for On-Demand Circuits
BOOTP
2. A field in the IP header that is decremented at each pass through a Layer 3 forwarding device.
LSR
Time to Live
Multi-VRF CE
Multilayer Switching
3. The Lempel Ziv STAC compression algorithm is used in Frame Relay networks to define dynamic dictionary entries that list a binary string from the compressed data and an associated smaller string that represents it during transmission
Extended Superframe
AS_PATH length
LZS
maximum threshold
4. In BGP - a configuration construct in which multiple neighbors' parameters can be configured as a group - thereby reducing the length of the configuration. Additionally - BGP performs routing policy logic against only one set of Updates for the entir
quartet
PQ
peer group
AGGREGATOR
5. Excess Burst.
Area Border Router
CSMA/CD
Be
confederation
6. The 802.1X function implemented by a switch - in which the switch translates between EAPoL and RADIUS messages in both directions - and enables/disables ports based on the success/failure of authentication.
Assert message
authenticator
Password Authentication Protocol
auto-negotiation
7. An NTP mode in which two or more NTP servers mutually synchronize their clocks.
CBAC
successor route
NTP symmetric active mode
Red Alarm
8. A mapping between each DSCP value and a WRED threshold - often used in Cisco LAN switches when performing WRED.
well-known mandatory
DSCP-to-threshold map
IP prefix list
source registration
9. Used by WRED to calculate the rate at which the average queue depth changes as compared with the current queue depth. The larger the number - the slower the change in the average queue depth.
designated router (PIM)
exponential weighting constant
granted window
SRTT
10. Not-so-stubby area.
NSSA
partial update
RF channel
permanent virtual circuit
11. A possible side effect of a scheduler that performs strict-priority scheduling of a queue - which can result in lower-priority queues getting little or no service.
Link Aggregation Control Protocol
queue starvation
Point-to-Point Protocol
LOCAL_AS
12. Defined in RFC 1631 - a method of translating IP addresses in headers with the goal of allowing multiple hosts to share single public IP addresses - thereby reducing IPv4 public address depletion.
Update (EIGRP)
Network Address Translation
summary route
passive (EIGRP)
13. A WRED process by which WRED does not discard packets during times in which a queue's minimum threshold has not been passed.
no drop
sticky learning
route redistribution
adjacent-layer interaction
14. Static length subnet masking.
network type (OSPF)
SLSM
Digital Signal Level 1
PIM-DM
15. With RIP - the advertisement of a poisoned route out an interface - when that route was formerly not advertised out that interface due to split horizon rules.
transit network (OSPF)
strict priority
poison reverse
passive (EIGRP)
16. A category used by a policer to classify packets relative to the traffic contract. The bit rate implied by all conforming packets is within the traffic contract.
virtual link
MLS
conform
ForeSight
17. The PPP function for fragmenting packets - plus interleaving delay-sensitive later-arriving packets between the fragments of the first packet.
IGMPv2 Host Membership Query
Route Tag field
IP SLA
MLP LFI
18. Virtual LAN.
SMI
AutoQos
VLAN
EEM
19. A router that is not an ABR or ASBR in that all of its interfaces connect to only a single OSPF area.
DiffServ
Hot Standby Router Protocol
RTS/CTS
internal router (OSPF)
20. A 16-bit number set with a router config-register command. It is used to set several low-level features related mainly to accessing the router and what the router does when powered on.
WFQ
tail drop
configuration register
terminal history
21. Management Information Base.
Prune Override
average queue depth
Backward Explicit Congestion Notification
MIB
22. When multiple routers are connected to a subnet - only one should be sending IGMP queries. It is called a querier. IGMPv1 does not have any rules for electing a querier. In IGMPv2 and IGMPv3 - a router with the lowest interface IP address on the subn
successor route
CBWFQ
CHAP
querier election
23. A mapping between each DSCP value and a corresponding CoS value - often used in Cisco LAN switches when performing classification for egress queuing.
designated router (OSPF)
RSTP
DSCP-to-CoS map
FRF
24. A router feature used when a router sees an ARP request searching for an IP host's MAC - when the router believes the IP host could not be on that LAN because the host is in another subnet. If the router has a route to reach the subnet where the ARP-
virtual IP address
proxy ARP
rendezvous point
iBGP
25. 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.
multicast MAC address
IGMPv2 Group-Specific Query
AS_PATH length
internal BGP
26. A method for how a TCP sender grows its calculated CWND variable - thereby growing the allowed window for the connection. Congestion Avoidance grows CWND linearly.
supplicant
IGMPv1 Host Membership Query
distribution list
Congestion Avoidance
27. With RIP - a per-route timer (default 180 seconds) that begins when a route's metric changes to a larger value.
Layer x PDU
PE
Holddown timer
average queue depth
28. The PDU used by a particular layer of a networking model - with x defining the layer.
access link
224.0.0.5
Layer x PDU
full SPF calculation
29. Neighbor Advertisement.
LACP
B8ZS
static length subnet masking
NA
30. In an IOS confederation configuration - the actual ASN as seen by eBGP peers.
AES
Label Switch Router
CB Marking
confederation identifier
31. Aka network layer reachability information.
VTP pruning
overloading
Link Fragmentation and Interleaving
NLRI
32. AutoQoS is a macro that creates and applies quality of service configurations based on Cisco best-practice recommendations.
AutoQos
classful IP addressing
EGP
Graft message
33. The range 233.0.0.0 through 233.255.255.255 that IANA has reserved (RFC 2770) on an experimental basis. It can be used by anyone who owns a registered autonomous system number to create 256 global multicast addresses.
encapsulation replication
GLOP addressing
ESF
shared mode
34. Hot Standby Router Protocol.
Outside Global address
DE
VLAN filtering
HSRP
35. A NAT term describing an IP address representing a host that resides outside the enterprise network - with the address being used in packets inside the enterprise network.
wireless LAN controller
MIB
Outside Local address
stuck-in-active
36. In the context of SNMP - the GetNext command is sent by an SNMP manager - to an agent - requesting the value of a single MIB variable. The GetNext request identifies a variable for which the manager wants the variable name and value of the next MIB l
Root Guard
reported distance
PortFast
GetNext
37. The second most significant bit in the most significant byte of an Ethernet MAC address - a value of binary 0 implies that the address is a Universally Administered Address (UAA) (also known as Burned-In Address [BIA]) - and a value of binary 1 impli
solicited node multicast
U/L bit
Protocol Independent Multicast sparse-mode routing protocol
External BGP
38. An EIGRP router's reaction to an input event - leading to the use of a feasible successor or going active on a route.
P router
policy routing
BOOTP
local computation
39. An IPv6/IPv4 tunneling method that allows isolated IPv6 domains to be connected over an IPv4 network.
private VLAN
GRE
TTL
6to4
40. A method of collecting traffic received on a switch port or a VLAN and sending it to specific destination ports on a switch other than the one on which it was received.
Update (EIGRP)
RSPAN
Superframe
CBWFQ
41. A wireless LAN that offers connections to the Internet from public places - such as airports - hotels - and coffee shops.
public wireless LAN
link-state database
NetFlow
RADIUS
42. A set of parameters for CBAC to perform in its traffic inspection process.
MLD
routing black hole
inspection rule
Classless IP Addressing
43. Any OSPF neighbor for which the database flooding process has completed.
Layer 2 payload compression
dual token bucket
fully adjacent (OSPF)
routing black hole
44. An SPF calculation as a result of changes inside the same area as a router - for which the SPF run must examine the full LSDB.
full SPF calculation
Label Distribution Protocol
Bipolar Violation
Neighbor Type
45. An 802.1d STP transitory port state in which the port does not send or receive frames - and does not learn MAC addresses - but does wait for STP convergence and for CAM flushing by the switches in the network.
Local Management Interface
Link Control Protocol
listening state
Update (EIGRP)
46. A type of logic for how a router uses a default route. When a default route exists - and the class A - B - or C network for the destination IP address does not exist in the routing table - the default route is used. If any part of that classful netwo
AS number
classful routing
Alternate Mark Inversion
token bucket
47. VLAN Trunking Protocol.
VTP
NTP symmetric active mode
promiscuous port
network type (OSPF)
48. A type of AS_PATH segment consisting of an ordered list of ASNs through which the route has been advertised.
Context-Based Access Control
AS_SEQUENCE
RT
full SPF calculation
49. In OSPF - a number assigned to each LSA - ranging from 0x80000001 and wrapping back around to 0x7FFFFFFF - which is used to determine which LSA is most recent.
sequence number (OSPF)
multicast scoping
SVC
Layer x PDU
50. Clear To Send.
NLPID
FIB
successor route
CTS
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