更多"Which protocol is an open standard "的相关试题:
[单项选择]Which protocol is an open standard protocol framework that is commonly used in VPNs,to provid secure end-to-end communication?（）
A. L2TP
B. IPsec
C. PPTP
D. RSA
[单项选择]Which IEEE standard protocol is initiated as a result of successful DTP completion in a switch over FastEthernet?（）
A. 802.3ad
B. 802.1w
C. 802.1Q
D. 802.1d
[多项选择]The OSPF Hello protocol performs which of the following tasks (Choose two.)（）。
A. It provides dynamic neighbor discovery.
B. It detects unreachable neighbors in 90 second intervals.
C. It maintains neighbor relationships.
D. It negotiates correctness parameters between neighboring interfaces.
E. Ituses timers to elect the router with the fastest links as the designated router.
F. It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF.
[多项选择]The OSPF hello protocol performs which of the following tasks?（）
A. It provides dynamic neighbor discovery
B. It detects unreachable neighbors in 90 second intervals
C. It maintains neighbor relationships
D. It negotiates correctness parameters between neighboring interfaces
E. It uses timers to elect the router witch the fastest links as the designated router
F. It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF
[单项选择]Which Frame Relay feature is responsible for transmitting keepalives to ensure that the PVC does not shut down because of inactivity?（）
A. DLCI
B. BECN
C. FECN
D. LMI
E. CIR
F. DE
[单项选择]Which frame field do error detection schemes view to perform their function?（）
A. ERR
B. Flag
C. FCS
D. MTU
E. MAC
F. PDU
[单项选择]Which IEEE standard protocol is initiated as a result of successful DTP completion in a switch overFastEthernet？（）
A. 802.3ad
B. 802.1w
C. 802.1Q
D. 802.1d
[单项选择]Which protocol reduces administrative overhead in a switched network by allowing the configuration of a new VLAN to be distributed to all the switches in a domain?（）
A. STP
B. VTP
C. GVRP
D. SNMP
E. DHCP
[单项选择]A company utilizes the GFS backup standard. Which of the following describes this backup method?（）
A. Greatest, Final, Sequential
B. Full, Partial, Incremental
C. Monthly, Weekly, Daily
D. Full, Differential, Incremental
[单项选择] Which routing protocol best fits these requirements?（） - Supported by multiple router vendors - Requires minimum router CPU and memory resources - Uses a simple routing metric - Supports manual or automatic route summarization
A. EIGRP
B. OSPF
C. IS-IS
D. RIPv2
[多项选择]Which of following VLAN frame encapsulation types are configurable on a Cisco switch?（）
A. VTP
B. 802.1Q
C. LLC
D. ISL
E. CDP
F. PAP
[单项选择]Which layer 2 protocol encapsulation type supports synchronous and asynchronous circuis and has built-in security mechanisms?（）
A. Frame Relay
B. HDLC
C. x.25
D. PPP
