膀胱结石主要临床表现?
A. 尿频、尿急、尿痛
B. 无痛性肉眼血尿
C. 尿潴留
D. 尿失禁
NICs are considered Layer 2 devices becouse each individual NIC throughout the world carries a unique code, called.
A. binary impulses
B. serial format
C. code of network interface card
D. Media Access Control Address
One of the disadvantages of the type of cable that we primarily use, CAT 5 UTP, is.
A. the cost of this kind of medium
B. difficult to install
C. cable length
D. too complicated
Consequently, bridges are concerned only with passing or not passing frames, based on.
A. Internet Protocol address
B. logical address
C. their destination MAC address
D. the format of the frame