The Internet affords anonymity to its users, a blessing to privacy and freedom of speech. But that very anonymity is also behind the explosion of cyber-crime that has (1) across the Web.
Can privacy be preserved (2) bringing safety and security to a world that seems increasingly (3) ?
Last month, Howard Schmidt, the nation's cyber-czar, offered the federal government a (4) to make the Web a safer place a "voluntary trusted identity" system that would be the high-tech (5) of a physical key, a fingerprint and a photo ID card, all rolled (6) one. The system might use a smart identity card, or a digital credential (7) to a specific computer, and would authenticate users at a range of online services.
The idea is to (8) a federation of private online identity systems. User could (9) which system to join, and only registered users whose identities have been authenticated could navigate those systems. The approach contrasts with one that would require an Internet driver's license (10) by the government.
Google and Microsoft are among companies that already have these "single sign-on" systems that make it possible for users to (11) just once but use many different services.
(12) , the approach would create a "walled garden" cyberspace, with safe "neighborhoods" and bright "streetlights" to establish a sense of a (13) community.
Mr. Schmidt described it as a "voluntary ecosystem" in which "individuals and organizations can complete online transactions with (14) ,trusting the identities of each other and the identities of the infrastructrue (15) which the transaction runs".
Still, the administration's plan has (16) privacy rights activists. Some applaud the approach; others are concerned. It seems clear that such a scheme is an initiative push toward what would (17) be a compulsory Internet "drive's license" mentality.
The plan has also been greeted with (18) by some computer security experts, who worry that the "voluntary ecosystem" envisioned by Mr. Schmidt would still leave much of the Internet (19) . They argue that all Internet users should be (20) to register and identify themselves, in the same way that drivers must be licensed to drive on public roads.
(1)
A.swept
B.skipped
C.walked
D.ridden
第1题:
While the Internet is inherently insecure, businesses still need to preserve the privacy of data as it travels over the network. To help do that, the Internet Engineering Task Force an international group of network designers, operators, vendors, and researchers concerned with the evolution of(71)has developed a suite of(72)called Internet Protocol Security(IPSec).
IPSec creates a standard platform. to develop secure networks and electronic(73)between two machines. Secure tunneling via IPSec creates(74)connections in a network through which data packets can move. It creates these tunnels between remote users and within a local network. It also(75)each data packet in a new packet that contains the information neccessary to set up, maintain and tear down the tunnel when it's no longer needed.
A.channels
B.Web browser
C.Internet data
D.Internet architecture
第2题:
第3题:
TV’s Influence On Our Daily Life
1)TV not only presents us a wonderful world, but also brings some changes to our daily life.
2)It is true that TV has the value of giving complete relaxation
3)Now we can see that TV has caused enormous problems along with its benefits.
第4题:
第5题:
第6题:
The Schuyler and Livingston Iron Works has been working on getting its network security under control. It has set up VPN with IPSec links to its suppliers. It has installed network vulnerability scanners to proactively identify areas of weakness, and it monitors and responds to security events as they occur. It also employs extensive access control lists, stateful firewall implementations, and dedicated firewall appliances. The company has been growing very fast lately and wants to make sure it is up to date on security measures.Which two areas of security would you advise the company to strengthen? ()
A. intrusion protection
B. identity
C. secure connectivity
D. security management
第7题:
第8题:
第9题:
第10题: