Prior to 802.1w,Cisco implemented a number of proprietary enhancements to 802.1D to improve convergence in a Layer 2 network. Which statement is correct?()A、Only UplinkFast and BackboneFast are specified in 802.1w;PortFast must be manually configured.B、Only PortFast is specified in 802.1w;UplinkFast and BackboneFast must be manually configured.C、None of the proprietary Cisco enhancements are specified in 802.1w.D、PortFast,UplinkFast,and BackboneFast are specified in 802.1w.

Prior to 802.1w,Cisco implemented a number of proprietary enhancements to 802.1D to improve convergence in a Layer 2 network. Which statement is correct?()

  • A、Only UplinkFast and BackboneFast are specified in 802.1w;PortFast must be manually configured.
  • B、Only PortFast is specified in 802.1w;UplinkFast and BackboneFast must be manually configured.
  • C、None of the proprietary Cisco enhancements are specified in 802.1w.
  • D、PortFast,UplinkFast,and BackboneFast are specified in 802.1w.

相关考题:

在循环双链表的p所指的结点之前插入s所指结点的操作是()。A.p->prior->priorB.p->prior->priorC.s->prior->next=sD.s->prior->prior=s

某双向链表中的结点如下图所示,删除t所指结点的操作为(54)。A.t->prior->next=t->next;t->next->prior=t->prior;B.t->prior->prior=t->prior;t->next->next=t->next;C.t->prior->next=t->prior;t->next->prior=t->next;D.t->prior->prior=t->next;t->next->prior=t->prior;

以下关于CISC/RISC计算机的叙述中,不正确的是(15)。A.RISC机器指令比CISC机器指令简单B.RISC机器中通用寄存器比CISC多C.CISC机器采用微码比RISC多D.CISC机器比RISC机器可以更好地支持高级语言

Pentium微处理器体系结构的特征是A.完全采用RISC体系结构B.完全采用CISC体系结构C.核心部分采用RISC体系结构,但内部增加了RISC到CISC的转换部件D.核心部分采用CISC体系结构,但内部增加了CISC到RISC的转换部件

在双向链表存储结构中,删除p所指的结点时须修改指针()。 A.p->next->prior=p->prior;p->prior->next=p->next;B.p->next=p->next->next;p->next->prior=p;C.p->prior->next=p;p->prior=p->prior->prior;D.p->prior=p->next->next;p->next=p->prior->prior;

I spoke with my manager ()the meeting. A、prior toB、in front ofC、in advanceD、prior

在循环双链表的p结点之后插入s结点的操作是______。A.p→next=s;p→next→prior=s;s→prior=p;s→next=p→next;B.s→!next=p;s→next=p→next;p→next=s;p→next→prior=s;C.p→next=s;s→prior=p;p→next→prior=s;s→next=p→next;D.s→prior=p;s→next=p→next;p→next→prior=s;p→next=s;

在一个双链表中,删除p结点(非尾结点)的操作是()。 A.p->prior->next=p->next;p->next->prior=p->prior;B.p->prior=p->prior->prior;p->prior->prior=p;C.p->next->prior=p;p->next=p->next->next;D.p->next=p->prior->prior;p->prior=p->prior->prior;

在非空双向循环链表结点中,prior域指向该结点的直接前驱,next域指向直接后续,那么在q所指的结点后面插入p所指的结点的过程为______。A.q→next=p;p→prior=q;q→next→prior=p;p→next=q→next。B.p→next=q→next;q→next=p;q→next→prior=p;p→prior=q。C.p→prior=q;p→next=q→next;q→next=p;q→next→prior=p。D.p→next=q→next;q→next→prior=p;p→prior=q;→next=p。

CISC和RISC

以下关于CISC/RISC计算机的叙述中,不正确的是______。A.RISC机器指令比CISC机器指令简单B.RISC机器中通用寄存器比CISC多C.CISC机器采用微码比RISC多D.CISC机器比RISC机器可以更好地支持高级语言

以下关于Risc和CISC的叙述中,不正确的是( )。A.RISC通常比CISC的指令系统吏复杂。 B.RISC通常会比CISC配置更多的寄存器C.RISC编译器的子程序库通常要比CISC编译器的子程序库大得多D.RISC比CISC更加适合VLSI工艺的规整性要求

There are two styles in the evolution of instruction set, that is CISC and RISC.Which chip belongs to the CISC?A.SOARB.VAX-11/780C.CDC6600D.IBM RTPC

以下关于CISC/RISC计算机的叙述中,错误的是()。A.RISC机器指令比CISC机器指令简单B.RISC中通用寄存器比CISC多C.CISC机器采用微码比RISC多D.CISC比RISC机器可以更好地支持高级语言

Which of these correctly identifies a difference between the way BPDUs are handled by 802.1w and 802.1D?()A、802.1D bridges do not relay BPDUs.B、802.1w bridges do not relay BPDUs.C、802.1D bridges only relay BPDUs received from the root.D、802.1w bridges only relay BPDUs received from the root.

什么是CISC?CISC指令系统的特点是什么?

在双向循环链表中,在p指针所指的结点后插入q所指向的新结点,其修改指针的操作是()。A、p-next=q; q-prior=p; p-next-prior=q; q-next=q; B、p-next=q; p-next-prior=q; q-prior=p; q-next=p-next; C、q-prior=p; q-next=p-next; p-next-prior=q; p-next=q; D、q-prior=p; q-next=p-next; p-next=q; p-next-prior=q;

在循环双链表的p所指的结点之前插入s所指结点的操作是()。A、P―>next=s;B、p―>next=s;s―>prior=p;p―>next―>prior=s;p―>next―>prior=s;s―>prior=p;s―>next=p―>next;s―>next=p―>nextC、s―>prior=p;D、s―>prior=p;s―>next=p―>next;s―>next=p―>next;p―>next=s;p―>next―>prior=s;p―>next―>prior=s;p―>next=s;

数据结构里,定义名称为plan结构体,plan结构体有个成员变量叫time类型是字符数组,定义了prior是plan类型的指针变量,如何引用prior的time成员()。A、prior-timeB、prior.timeC、prior.time[0]D、prior-time[0]

单选题Which of these correctly identifies a difference between the way BPDUs are handled by 802.1w and 802.1D? ()A 802.1D bridges do not relay BPDUs.B 802.1w bridges do not relay BPDUs.C 802.1D bridges only relay BPDUs received from the root.D 802.1w bridges only relay BPDUs received from the root.

名词解释题CISC

问答题什么是CISC?CISC指令系统的特点是什么?

单选题High pressure and low pressure alarms must be tested().Ano earlier than 24 hours prior to loadingBno later than 24 hours prior to loadingCanytime prior to loadingDweekly

单选题在循环双链表的p所指结点后插入s所指结点的操作是()。Ap-next=s;s-prior=p;p-next-prior=s;s-next=p-next;Bp-next=s;p-next-prior=s;s-prior=p;s-next=p-next;Cs-prior=p;s-next=p-next;p-next=s;p-next-prior=s;Ds-prior=p;s-next=p-next;p-next-prior=s;p-next=s

多选题Which three port states are used by RSTP 802.1w?()AListeningBLearningCForwardingDBlockingEDiscardingFDisabled

名词解释题CISC技术